Home / 175,387.22-263,079.18-75,617.90

Finding the Fourth Proportional to 175,387.22, 263,079.18 and 75,617.90

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Solution

The fourth proportional to 175,387.22, 263,079.18 and 75,617.90 is: 113,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,387.22 : 263,079.18 = 75,617.90 : x
  2. Step 2: Convert to fraction form
    175,387.22/263,079.18 = 75,617.90/x
  3. Step 3: Cross multiply
    175,387.22x = 263,079.18 × 75,617.90
  4. Step 4: Simplify right side
    175,387.22x = 19,893,495,125.32
  5. Step 5: Solve for x
    x = 19,893,495,125.32/175,387.22
  6. Step 6: Final answer
    x = 113,426.14

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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.