Home / 149,695.20-224,553.60-90,403.20

Finding the Fourth Proportional to 149,695.20, 224,553.60 and 90,403.20

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Solution

The fourth proportional to 149,695.20, 224,553.60 and 90,403.20 is: 135,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,695.20 : 224,553.60 = 90,403.20 : x
  2. Step 2: Convert to fraction form
    149,695.20/224,553.60 = 90,403.20/x
  3. Step 3: Cross multiply
    149,695.20x = 224,553.60 × 90,403.20
  4. Step 4: Simplify right side
    149,695.20x = 20,300,364,011.52
  5. Step 5: Solve for x
    x = 20,300,364,011.52/149,695.20
  6. Step 6: Final answer
    x = 135,611.32

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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.