Home / 149,689.40-224,206.05-133,068.20

Finding the Fourth Proportional to 149,689.40, 224,206.05 and 133,068.20

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Solution

The fourth proportional to 149,689.40, 224,206.05 and 133,068.20 is: 199,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,689.40 : 224,206.05 = 133,068.20 : x
  2. Step 2: Convert to fraction form
    149,689.40/224,206.05 = 133,068.20/x
  3. Step 3: Cross multiply
    149,689.40x = 224,206.05 × 133,068.20
  4. Step 4: Simplify right side
    149,689.40x = 29,834,695,502.61
  5. Step 5: Solve for x
    x = 29,834,695,502.61/149,689.40
  6. Step 6: Final answer
    x = 199,310.68

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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.