Home / 142,973.08-197,311.68-82,554.76

Finding the Fourth Proportional to 142,973.08, 197,311.68 and 82,554.76

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Solution

The fourth proportional to 142,973.08, 197,311.68 and 82,554.76 is: 113,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,973.08 : 197,311.68 = 82,554.76 : x
  2. Step 2: Convert to fraction form
    142,973.08/197,311.68 = 82,554.76/x
  3. Step 3: Cross multiply
    142,973.08x = 197,311.68 × 82,554.76
  4. Step 4: Simplify right side
    142,973.08x = 16,289,018,387.60
  5. Step 5: Solve for x
    x = 16,289,018,387.60/142,973.08
  6. Step 6: Final answer
    x = 113,930.67

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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.