Home / 149,712.10-224,568.15-66,606.10

Finding the Fourth Proportional to 149,712.10, 224,568.15 and 66,606.10

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Solution

The fourth proportional to 149,712.10, 224,568.15 and 66,606.10 is: 99,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,712.10 : 224,568.15 = 66,606.10 : x
  2. Step 2: Convert to fraction form
    149,712.10/224,568.15 = 66,606.10/x
  3. Step 3: Cross multiply
    149,712.10x = 224,568.15 × 66,606.10
  4. Step 4: Simplify right side
    149,712.10x = 14,957,608,655.72
  5. Step 5: Solve for x
    x = 14,957,608,655.72/149,712.10
  6. Step 6: Final answer
    x = 99,909.15

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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.