Home / 117,591.27-162,276.48-63,877.20

Finding the Fourth Proportional to 117,591.27, 162,276.48 and 63,877.20

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Solution

The fourth proportional to 117,591.27, 162,276.48 and 63,877.20 is: 88,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.27 : 162,276.48 = 63,877.20 : x
  2. Step 2: Convert to fraction form
    117,591.27/162,276.48 = 63,877.20/x
  3. Step 3: Cross multiply
    117,591.27x = 162,276.48 × 63,877.20
  4. Step 4: Simplify right side
    117,591.27x = 10,365,767,168.26
  5. Step 5: Solve for x
    x = 10,365,767,168.26/117,591.27
  6. Step 6: Final answer
    x = 88,150.82

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1.5x scale

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.