Home / 140,575.44-210,521.88-77,298.96

Finding the Fourth Proportional to 140,575.44, 210,521.88 and 77,298.96

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Solution

The fourth proportional to 140,575.44, 210,521.88 and 77,298.96 is: 115,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,575.44 : 210,521.88 = 77,298.96 : x
  2. Step 2: Convert to fraction form
    140,575.44/210,521.88 = 77,298.96/x
  3. Step 3: Cross multiply
    140,575.44x = 210,521.88 × 77,298.96
  4. Step 4: Simplify right side
    140,575.44x = 16,273,122,381.24
  5. Step 5: Solve for x
    x = 16,273,122,381.24/140,575.44
  6. Step 6: Final answer
    x = 115,760.78

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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.