Home / 102,543.66-141,493.32-68,497.56

Finding the Fourth Proportional to 102,543.66, 141,493.32 and 68,497.56

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Solution

The fourth proportional to 102,543.66, 141,493.32 and 68,497.56 is: 94,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,543.66 : 141,493.32 = 68,497.56 : x
  2. Step 2: Convert to fraction form
    102,543.66/141,493.32 = 68,497.56/x
  3. Step 3: Cross multiply
    102,543.66x = 141,493.32 × 68,497.56
  4. Step 4: Simplify right side
    102,543.66x = 9,691,947,176.30
  5. Step 5: Solve for x
    x = 9,691,947,176.30/102,543.66
  6. Step 6: Final answer
    x = 94,515.32

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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.