Home / 149,387.68-224,116.08-66,288.16

Finding the Fourth Proportional to 149,387.68, 224,116.08 and 66,288.16

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Solution

The fourth proportional to 149,387.68, 224,116.08 and 66,288.16 is: 99,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,387.68 : 224,116.08 = 66,288.16 : x
  2. Step 2: Convert to fraction form
    149,387.68/224,116.08 = 66,288.16/x
  3. Step 3: Cross multiply
    149,387.68x = 224,116.08 × 66,288.16
  4. Step 4: Simplify right side
    149,387.68x = 14,856,242,569.61
  5. Step 5: Solve for x
    x = 14,856,242,569.61/149,387.68
  6. Step 6: Final answer
    x = 99,447.58

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1.5x scale

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.