Home / 102,600.12-141,476.56-66,723.60

Finding the Fourth Proportional to 102,600.12, 141,476.56 and 66,723.60

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Solution

The fourth proportional to 102,600.12, 141,476.56 and 66,723.60 is: 92,005.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,600.12 : 141,476.56 = 66,723.60 : x
  2. Step 2: Convert to fraction form
    102,600.12/141,476.56 = 66,723.60/x
  3. Step 3: Cross multiply
    102,600.12x = 141,476.56 × 66,723.60
  4. Step 4: Simplify right side
    102,600.12x = 9,439,825,398.82
  5. Step 5: Solve for x
    x = 9,439,825,398.82/102,600.12
  6. Step 6: Final answer
    x = 92,005.99

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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.