Home / 102,767.96-141,275.79-88,374.84

Finding the Fourth Proportional to 102,767.96, 141,275.79 and 88,374.84

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Solution

The fourth proportional to 102,767.96, 141,275.79 and 88,374.84 is: 121,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,767.96 : 141,275.79 = 88,374.84 : x
  2. Step 2: Convert to fraction form
    102,767.96/141,275.79 = 88,374.84/x
  3. Step 3: Cross multiply
    102,767.96x = 141,275.79 × 88,374.84
  4. Step 4: Simplify right side
    102,767.96x = 12,485,225,337.12
  5. Step 5: Solve for x
    x = 12,485,225,337.12/102,767.96
  6. Step 6: Final answer
    x = 121,489.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.