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Finding the Fourth Proportional to 96,155.92, 144,164.76 and 43,538.32

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Solution

The fourth proportional to 96,155.92, 144,164.76 and 43,538.32 is: 65,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,155.92 : 144,164.76 = 43,538.32 : x
  2. Step 2: Convert to fraction form
    96,155.92/144,164.76 = 43,538.32/x
  3. Step 3: Cross multiply
    96,155.92x = 144,164.76 × 43,538.32
  4. Step 4: Simplify right side
    96,155.92x = 6,276,691,453.60
  5. Step 5: Solve for x
    x = 6,276,691,453.60/96,155.92
  6. Step 6: Final answer
    x = 65,276.18

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1.5x scale

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.