Home / 156,742.46-216,370.78-105,824.14

Finding the Fourth Proportional to 156,742.46, 216,370.78 and 105,824.14

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Solution

The fourth proportional to 156,742.46, 216,370.78 and 105,824.14 is: 146,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.46 : 216,370.78 = 105,824.14 : x
  2. Step 2: Convert to fraction form
    156,742.46/216,370.78 = 105,824.14/x
  3. Step 3: Cross multiply
    156,742.46x = 216,370.78 × 105,824.14
  4. Step 4: Simplify right side
    156,742.46x = 22,897,251,714.63
  5. Step 5: Solve for x
    x = 22,897,251,714.63/156,742.46
  6. Step 6: Final answer
    x = 146,082.00

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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.