Home / 149,518.71-224,024.17-90,229.79

Finding the Fourth Proportional to 149,518.71, 224,024.17 and 90,229.79

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Solution

The fourth proportional to 149,518.71, 224,024.17 and 90,229.79 is: 135,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,518.71 : 224,024.17 = 90,229.79 : x
  2. Step 2: Convert to fraction form
    149,518.71/224,024.17 = 90,229.79/x
  3. Step 3: Cross multiply
    149,518.71x = 224,024.17 × 90,229.79
  4. Step 4: Simplify right side
    149,518.71x = 20,213,653,814.02
  5. Step 5: Solve for x
    x = 20,213,653,814.02/149,518.71
  6. Step 6: Final answer
    x = 135,191.47

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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.