Home / 175,659.20-242,442.50-100,207.68

Finding the Fourth Proportional to 175,659.20, 242,442.50 and 100,207.68

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Solution

The fourth proportional to 175,659.20, 242,442.50 and 100,207.68 is: 138,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,659.20 : 242,442.50 = 100,207.68 : x
  2. Step 2: Convert to fraction form
    175,659.20/242,442.50 = 100,207.68/x
  3. Step 3: Cross multiply
    175,659.20x = 242,442.50 × 100,207.68
  4. Step 4: Simplify right side
    175,659.20x = 24,294,600,458.40
  5. Step 5: Solve for x
    x = 24,294,600,458.40/175,659.20
  6. Step 6: Final answer
    x = 138,305.31

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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.