Home / 149,872.10-224,772.15-86,555.30

Finding the Fourth Proportional to 149,872.10, 224,772.15 and 86,555.30

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Solution

The fourth proportional to 149,872.10, 224,772.15 and 86,555.30 is: 129,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,872.10 : 224,772.15 = 86,555.30 : x
  2. Step 2: Convert to fraction form
    149,872.10/224,772.15 = 86,555.30/x
  3. Step 3: Cross multiply
    149,872.10x = 224,772.15 × 86,555.30
  4. Step 4: Simplify right side
    149,872.10x = 19,455,220,874.90
  5. Step 5: Solve for x
    x = 19,455,220,874.90/149,872.10
  6. Step 6: Final answer
    x = 129,812.16

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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.