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Finding the Fourth Proportional to 110,340.64, 152,127.76 and 80,169.76

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Solution

The fourth proportional to 110,340.64, 152,127.76 and 80,169.76 is: 110,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,340.64 : 152,127.76 = 80,169.76 : x
  2. Step 2: Convert to fraction form
    110,340.64/152,127.76 = 80,169.76/x
  3. Step 3: Cross multiply
    110,340.64x = 152,127.76 × 80,169.76
  4. Step 4: Simplify right side
    110,340.64x = 12,196,046,008.54
  5. Step 5: Solve for x
    x = 12,196,046,008.54/110,340.64
  6. Step 6: Final answer
    x = 110,530.86

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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.