Home / 115,787.59-173,590.65-45,719.35

Finding the Fourth Proportional to 115,787.59, 173,590.65 and 45,719.35

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Solution

The fourth proportional to 115,787.59, 173,590.65 and 45,719.35 is: 68,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,787.59 : 173,590.65 = 45,719.35 : x
  2. Step 2: Convert to fraction form
    115,787.59/173,590.65 = 45,719.35/x
  3. Step 3: Cross multiply
    115,787.59x = 173,590.65 × 45,719.35
  4. Step 4: Simplify right side
    115,787.59x = 7,936,451,250.10
  5. Step 5: Solve for x
    x = 7,936,451,250.10/115,787.59
  6. Step 6: Final answer
    x = 68,543.20

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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.