Home / 118,854.18-178,211.07-39,947.22

Finding the Fourth Proportional to 118,854.18, 178,211.07 and 39,947.22

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Solution

The fourth proportional to 118,854.18, 178,211.07 and 39,947.22 is: 59,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,854.18 : 178,211.07 = 39,947.22 : x
  2. Step 2: Convert to fraction form
    118,854.18/178,211.07 = 39,947.22/x
  3. Step 3: Cross multiply
    118,854.18x = 178,211.07 × 39,947.22
  4. Step 4: Simplify right side
    118,854.18x = 7,119,036,819.73
  5. Step 5: Solve for x
    x = 7,119,036,819.73/118,854.18
  6. Step 6: Final answer
    x = 59,897.24

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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.