Home / 224,061.36-309,190.68-123,459.36

Finding the Fourth Proportional to 224,061.36, 309,190.68 and 123,459.36

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Solution

The fourth proportional to 224,061.36, 309,190.68 and 123,459.36 is: 170,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,061.36 : 309,190.68 = 123,459.36 : x
  2. Step 2: Convert to fraction form
    224,061.36/309,190.68 = 123,459.36/x
  3. Step 3: Cross multiply
    224,061.36x = 309,190.68 × 123,459.36
  4. Step 4: Simplify right side
    224,061.36x = 38,172,483,470.76
  5. Step 5: Solve for x
    x = 38,172,483,470.76/224,061.36
  6. Step 6: Final answer
    x = 170,366.20

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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.