Home / 102,284.68-141,196.50-68,770.12

Finding the Fourth Proportional to 102,284.68, 141,196.50 and 68,770.12

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Solution

The fourth proportional to 102,284.68, 141,196.50 and 68,770.12 is: 94,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,284.68 : 141,196.50 = 68,770.12 : x
  2. Step 2: Convert to fraction form
    102,284.68/141,196.50 = 68,770.12/x
  3. Step 3: Cross multiply
    102,284.68x = 141,196.50 × 68,770.12
  4. Step 4: Simplify right side
    102,284.68x = 9,710,100,248.58
  5. Step 5: Solve for x
    x = 9,710,100,248.58/102,284.68
  6. Step 6: Final answer
    x = 94,932.11

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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.