Home / 118,314.26-177,474.15-39,434.90

Finding the Fourth Proportional to 118,314.26, 177,474.15 and 39,434.90

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Solution

The fourth proportional to 118,314.26, 177,474.15 and 39,434.90 is: 59,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,314.26 : 177,474.15 = 39,434.90 : x
  2. Step 2: Convert to fraction form
    118,314.26/177,474.15 = 39,434.90/x
  3. Step 3: Cross multiply
    118,314.26x = 177,474.15 × 39,434.90
  4. Step 4: Simplify right side
    118,314.26x = 6,998,675,357.84
  5. Step 5: Solve for x
    x = 6,998,675,357.84/118,314.26
  6. Step 6: Final answer
    x = 59,153.27

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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.