Home / 149,644.20-224,477.10-90,352.20

Finding the Fourth Proportional to 149,644.20, 224,477.10 and 90,352.20

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Solution

The fourth proportional to 149,644.20, 224,477.10 and 90,352.20 is: 135,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,644.20 : 224,477.10 = 90,352.20 : x
  2. Step 2: Convert to fraction form
    149,644.20/224,477.10 = 90,352.20/x
  3. Step 3: Cross multiply
    149,644.20x = 224,477.10 × 90,352.20
  4. Step 4: Simplify right side
    149,644.20x = 20,281,999,834.62
  5. Step 5: Solve for x
    x = 20,281,999,834.62/149,644.20
  6. Step 6: Final answer
    x = 135,534.82

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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.