Home / 140,311.35-210,559.29-51,565.62

Finding the Fourth Proportional to 140,311.35, 210,559.29 and 51,565.62

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Solution

The fourth proportional to 140,311.35, 210,559.29 and 51,565.62 is: 77,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,311.35 : 210,559.29 = 51,565.62 : x
  2. Step 2: Convert to fraction form
    140,311.35/210,559.29 = 51,565.62/x
  3. Step 3: Cross multiply
    140,311.35x = 210,559.29 × 51,565.62
  4. Step 4: Simplify right side
    140,311.35x = 10,857,620,335.61
  5. Step 5: Solve for x
    x = 10,857,620,335.61/140,311.35
  6. Step 6: Final answer
    x = 77,382.34

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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.