Home / 144,318.15-216,385.53-126,584.42

Finding the Fourth Proportional to 144,318.15, 216,385.53 and 126,584.42

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Solution

The fourth proportional to 144,318.15, 216,385.53 and 126,584.42 is: 189,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,318.15 : 216,385.53 = 126,584.42 : x
  2. Step 2: Convert to fraction form
    144,318.15/216,385.53 = 126,584.42/x
  3. Step 3: Cross multiply
    144,318.15x = 216,385.53 × 126,584.42
  4. Step 4: Simplify right side
    144,318.15x = 27,391,035,254.82
  5. Step 5: Solve for x
    x = 27,391,035,254.82/144,318.15
  6. Step 6: Final answer
    x = 189,796.19

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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.