Home / 118,818.39-178,227.59-39,932.62

Finding the Fourth Proportional to 118,818.39, 178,227.59 and 39,932.62

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Solution

The fourth proportional to 118,818.39, 178,227.59 and 39,932.62 is: 59,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,818.39 : 178,227.59 = 39,932.62 : x
  2. Step 2: Convert to fraction form
    118,818.39/178,227.59 = 39,932.62/x
  3. Step 3: Cross multiply
    118,818.39x = 178,227.59 × 39,932.62
  4. Step 4: Simplify right side
    118,818.39x = 7,117,093,979.75
  5. Step 5: Solve for x
    x = 7,117,093,979.75/118,818.39
  6. Step 6: Final answer
    x = 59,898.93

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1.5x scale

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.