Home / 141,819.61-195,711.06-85,230.98

Finding the Fourth Proportional to 141,819.61, 195,711.06 and 85,230.98

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Solution

The fourth proportional to 141,819.61, 195,711.06 and 85,230.98 is: 117,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,819.61 : 195,711.06 = 85,230.98 : x
  2. Step 2: Convert to fraction form
    141,819.61/195,711.06 = 85,230.98/x
  3. Step 3: Cross multiply
    141,819.61x = 195,711.06 × 85,230.98
  4. Step 4: Simplify right side
    141,819.61x = 16,680,646,376.78
  5. Step 5: Solve for x
    x = 16,680,646,376.78/141,819.61
  6. Step 6: Final answer
    x = 117,618.76

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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.