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Finding the Fourth Proportional to 181,267.70, 250,142.46 and 100,700.29

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Solution

The fourth proportional to 181,267.70, 250,142.46 and 100,700.29 is: 138,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,267.70 : 250,142.46 = 100,700.29 : x
  2. Step 2: Convert to fraction form
    181,267.70/250,142.46 = 100,700.29/x
  3. Step 3: Cross multiply
    181,267.70x = 250,142.46 × 100,700.29
  4. Step 4: Simplify right side
    181,267.70x = 25,189,418,263.31
  5. Step 5: Solve for x
    x = 25,189,418,263.31/181,267.70
  6. Step 6: Final answer
    x = 138,962.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.