Home / 142,919.27-197,354.07-89,295.85

Finding the Fourth Proportional to 142,919.27, 197,354.07 and 89,295.85

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Solution

The fourth proportional to 142,919.27, 197,354.07 and 89,295.85 is: 123,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,919.27 : 197,354.07 = 89,295.85 : x
  2. Step 2: Convert to fraction form
    142,919.27/197,354.07 = 89,295.85/x
  3. Step 3: Cross multiply
    142,919.27x = 197,354.07 × 89,295.85
  4. Step 4: Simplify right side
    142,919.27x = 17,622,899,678.30
  5. Step 5: Solve for x
    x = 17,622,899,678.30/142,919.27
  6. Step 6: Final answer
    x = 123,306.67

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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.