Home / 175,654.47-242,436.01-100,202.97

Finding the Fourth Proportional to 175,654.47, 242,436.01 and 100,202.97

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Solution

The fourth proportional to 175,654.47, 242,436.01 and 100,202.97 is: 138,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,654.47 : 242,436.01 = 100,202.97 : x
  2. Step 2: Convert to fraction form
    175,654.47/242,436.01 = 100,202.97/x
  3. Step 3: Cross multiply
    175,654.47x = 242,436.01 × 100,202.97
  4. Step 4: Simplify right side
    175,654.47x = 24,292,807,735.93
  5. Step 5: Solve for x
    x = 24,292,807,735.93/175,654.47
  6. Step 6: Final answer
    x = 138,298.83

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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.