Home / 142,950.08-197,294.73-79,308.38

Finding the Fourth Proportional to 142,950.08, 197,294.73 and 79,308.38

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Solution

The fourth proportional to 142,950.08, 197,294.73 and 79,308.38 is: 109,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,950.08 : 197,294.73 = 79,308.38 : x
  2. Step 2: Convert to fraction form
    142,950.08/197,294.73 = 79,308.38/x
  3. Step 3: Cross multiply
    142,950.08x = 197,294.73 × 79,308.38
  4. Step 4: Simplify right side
    142,950.08x = 15,647,125,418.84
  5. Step 5: Solve for x
    x = 15,647,125,418.84/142,950.08
  6. Step 6: Final answer
    x = 109,458.67

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.