Home / 140,956.32-211,381.80-56,688.03

Finding the Fourth Proportional to 140,956.32, 211,381.80 and 56,688.03

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Solution

The fourth proportional to 140,956.32, 211,381.80 and 56,688.03 is: 85,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,956.32 : 211,381.80 = 56,688.03 : x
  2. Step 2: Convert to fraction form
    140,956.32/211,381.80 = 56,688.03/x
  3. Step 3: Cross multiply
    140,956.32x = 211,381.80 × 56,688.03
  4. Step 4: Simplify right side
    140,956.32x = 11,982,817,819.85
  5. Step 5: Solve for x
    x = 11,982,817,819.85/140,956.32
  6. Step 6: Final answer
    x = 85,010.86

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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.