Home / 117,316.50-175,972.94-28,569.86

Finding the Fourth Proportional to 117,316.50, 175,972.94 and 28,569.86

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Solution

The fourth proportional to 117,316.50, 175,972.94 and 28,569.86 is: 42,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.50 : 175,972.94 = 28,569.86 : x
  2. Step 2: Convert to fraction form
    117,316.50/175,972.94 = 28,569.86/x
  3. Step 3: Cross multiply
    117,316.50x = 175,972.94 × 28,569.86
  4. Step 4: Simplify right side
    117,316.50x = 5,027,522,259.59
  5. Step 5: Solve for x
    x = 5,027,522,259.59/117,316.50
  6. Step 6: Final answer
    x = 42,854.35

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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.