Home / 156,325.60-215,716.56-88,348.72

Finding the Fourth Proportional to 156,325.60, 215,716.56 and 88,348.72

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Solution

The fourth proportional to 156,325.60, 215,716.56 and 88,348.72 is: 121,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,325.60 : 215,716.56 = 88,348.72 : x
  2. Step 2: Convert to fraction form
    156,325.60/215,716.56 = 88,348.72/x
  3. Step 3: Cross multiply
    156,325.60x = 215,716.56 × 88,348.72
  4. Step 4: Simplify right side
    156,325.60x = 19,058,281,958.80
  5. Step 5: Solve for x
    x = 19,058,281,958.80/156,325.60
  6. Step 6: Final answer
    x = 121,914.02

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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.