Home / 345,148.77-517,758.57-132,095.90

Finding the Fourth Proportional to 345,148.77, 517,758.57 and 132,095.90

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Solution

The fourth proportional to 345,148.77, 517,758.57 and 132,095.90 is: 198,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,148.77 : 517,758.57 = 132,095.90 : x
  2. Step 2: Convert to fraction form
    345,148.77/517,758.57 = 132,095.90/x
  3. Step 3: Cross multiply
    345,148.77x = 517,758.57 × 132,095.90
  4. Step 4: Simplify right side
    345,148.77x = 68,393,784,286.86
  5. Step 5: Solve for x
    x = 68,393,784,286.86/345,148.77
  6. Step 6: Final answer
    x = 198,157.40

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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.