Home / 118,269.77-177,432.90-39,384.68

Finding the Fourth Proportional to 118,269.77, 177,432.90 and 39,384.68

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Solution

The fourth proportional to 118,269.77, 177,432.90 and 39,384.68 is: 59,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269.77 : 177,432.90 = 39,384.68 : x
  2. Step 2: Convert to fraction form
    118,269.77/177,432.90 = 39,384.68/x
  3. Step 3: Cross multiply
    118,269.77x = 177,432.90 × 39,384.68
  4. Step 4: Simplify right side
    118,269.77x = 6,988,137,987.97
  5. Step 5: Solve for x
    x = 6,988,137,987.97/118,269.77
  6. Step 6: Final answer
    x = 59,086.43

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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.