Home / 140,635.91-210,966.68-45,841.76

Finding the Fourth Proportional to 140,635.91, 210,966.68 and 45,841.76

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Solution

The fourth proportional to 140,635.91, 210,966.68 and 45,841.76 is: 68,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,635.91 : 210,966.68 = 45,841.76 : x
  2. Step 2: Convert to fraction form
    140,635.91/210,966.68 = 45,841.76/x
  3. Step 3: Cross multiply
    140,635.91x = 210,966.68 × 45,841.76
  4. Step 4: Simplify right side
    140,635.91x = 9,671,084,439.02
  5. Step 5: Solve for x
    x = 9,671,084,439.02/140,635.91
  6. Step 6: Final answer
    x = 68,766.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.