Home / 175,654.71-242,436.33-100,203.21

Finding the Fourth Proportional to 175,654.71, 242,436.33 and 100,203.21

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Solution

The fourth proportional to 175,654.71, 242,436.33 and 100,203.21 is: 138,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,654.71 : 242,436.33 = 100,203.21 : x
  2. Step 2: Convert to fraction form
    175,654.71/242,436.33 = 100,203.21/x
  3. Step 3: Cross multiply
    175,654.71x = 242,436.33 × 100,203.21
  4. Step 4: Simplify right side
    175,654.71x = 24,292,898,486.62
  5. Step 5: Solve for x
    x = 24,292,898,486.62/175,654.71
  6. Step 6: Final answer
    x = 138,299.16

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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.