Home / 118,680.61-177,897.89-74,205.23

Finding the Fourth Proportional to 118,680.61, 177,897.89 and 74,205.23

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Solution

The fourth proportional to 118,680.61, 177,897.89 and 74,205.23 is: 111,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,680.61 : 177,897.89 = 74,205.23 : x
  2. Step 2: Convert to fraction form
    118,680.61/177,897.89 = 74,205.23/x
  3. Step 3: Cross multiply
    118,680.61x = 177,897.89 × 74,205.23
  4. Step 4: Simplify right side
    118,680.61x = 13,200,953,843.96
  5. Step 5: Solve for x
    x = 13,200,953,843.96/118,680.61
  6. Step 6: Final answer
    x = 111,230.92

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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.