Home / 94,129.92-141,140.16-64,581.12

Finding the Fourth Proportional to 94,129.92, 141,140.16 and 64,581.12

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Solution

The fourth proportional to 94,129.92, 141,140.16 and 64,581.12 is: 96,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,129.92 : 141,140.16 = 64,581.12 : x
  2. Step 2: Convert to fraction form
    94,129.92/141,140.16 = 64,581.12/x
  3. Step 3: Cross multiply
    94,129.92x = 141,140.16 × 64,581.12
  4. Step 4: Simplify right side
    94,129.92x = 9,114,989,609.78
  5. Step 5: Solve for x
    x = 9,114,989,609.78/94,129.92
  6. Step 6: Final answer
    x = 96,834.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.