Home / 102,219.88-141,063.42-56,896.89

Finding the Fourth Proportional to 102,219.88, 141,063.42 and 56,896.89

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Solution

The fourth proportional to 102,219.88, 141,063.42 and 56,896.89 is: 78,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,219.88 : 141,063.42 = 56,896.89 : x
  2. Step 2: Convert to fraction form
    102,219.88/141,063.42 = 56,896.89/x
  3. Step 3: Cross multiply
    102,219.88x = 141,063.42 × 56,896.89
  4. Step 4: Simplify right side
    102,219.88x = 8,026,069,575.14
  5. Step 5: Solve for x
    x = 8,026,069,575.14/102,219.88
  6. Step 6: Final answer
    x = 78,517.70

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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.