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Finding the Fourth Proportional to 101,204.80, 151,807.20 and 71,024.20

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Solution

The fourth proportional to 101,204.80, 151,807.20 and 71,024.20 is: 106,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204.80 : 151,807.20 = 71,024.20 : x
  2. Step 2: Convert to fraction form
    101,204.80/151,807.20 = 71,024.20/x
  3. Step 3: Cross multiply
    101,204.80x = 151,807.20 × 71,024.20
  4. Step 4: Simplify right side
    101,204.80x = 10,781,984,934.24
  5. Step 5: Solve for x
    x = 10,781,984,934.24/101,204.80
  6. Step 6: Final answer
    x = 106,536.30

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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.