Home / 118,545.60-163,652.41-91,627.27

Finding the Fourth Proportional to 118,545.60, 163,652.41 and 91,627.27

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Solution

The fourth proportional to 118,545.60, 163,652.41 and 91,627.27 is: 126,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,545.60 : 163,652.41 = 91,627.27 : x
  2. Step 2: Convert to fraction form
    118,545.60/163,652.41 = 91,627.27/x
  3. Step 3: Cross multiply
    118,545.60x = 163,652.41 × 91,627.27
  4. Step 4: Simplify right side
    118,545.60x = 14,995,023,328.15
  5. Step 5: Solve for x
    x = 14,995,023,328.15/118,545.60
  6. Step 6: Final answer
    x = 126,491.61

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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.