Home / 150,434.10-225,711.90-66,210.30

Finding the Fourth Proportional to 150,434.10, 225,711.90 and 66,210.30

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Solution

The fourth proportional to 150,434.10, 225,711.90 and 66,210.30 is: 99,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,434.10 : 225,711.90 = 66,210.30 : x
  2. Step 2: Convert to fraction form
    150,434.10/225,711.90 = 66,210.30/x
  3. Step 3: Cross multiply
    150,434.10x = 225,711.90 × 66,210.30
  4. Step 4: Simplify right side
    150,434.10x = 14,944,452,612.57
  5. Step 5: Solve for x
    x = 14,944,452,612.57/150,434.10
  6. Step 6: Final answer
    x = 99,342.19

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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.