Home / 151,087.20-226,630.80-72,355.20

Finding the Fourth Proportional to 151,087.20, 226,630.80 and 72,355.20

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Solution

The fourth proportional to 151,087.20, 226,630.80 and 72,355.20 is: 108,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,087.20 : 226,630.80 = 72,355.20 : x
  2. Step 2: Convert to fraction form
    151,087.20/226,630.80 = 72,355.20/x
  3. Step 3: Cross multiply
    151,087.20x = 226,630.80 × 72,355.20
  4. Step 4: Simplify right side
    151,087.20x = 16,397,916,860.16
  5. Step 5: Solve for x
    x = 16,397,916,860.16/151,087.20
  6. Step 6: Final answer
    x = 108,532.80

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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.