Home / 156,684.30-216,010.11-107,624.43

Finding the Fourth Proportional to 156,684.30, 216,010.11 and 107,624.43

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Solution

The fourth proportional to 156,684.30, 216,010.11 and 107,624.43 is: 148,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,684.30 : 216,010.11 = 107,624.43 : x
  2. Step 2: Convert to fraction form
    156,684.30/216,010.11 = 107,624.43/x
  3. Step 3: Cross multiply
    156,684.30x = 216,010.11 × 107,624.43
  4. Step 4: Simplify right side
    156,684.30x = 23,247,964,962.99
  5. Step 5: Solve for x
    x = 23,247,964,962.99/156,684.30
  6. Step 6: Final answer
    x = 148,374.57

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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.