Home / 118,001.76-162,836.80-64,286.52

Finding the Fourth Proportional to 118,001.76, 162,836.80 and 64,286.52

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Solution

The fourth proportional to 118,001.76, 162,836.80 and 64,286.52 is: 88,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,001.76 : 162,836.80 = 64,286.52 : x
  2. Step 2: Convert to fraction form
    118,001.76/162,836.80 = 64,286.52/x
  3. Step 3: Cross multiply
    118,001.76x = 162,836.80 × 64,286.52
  4. Step 4: Simplify right side
    118,001.76x = 10,468,211,199.94
  5. Step 5: Solve for x
    x = 10,468,211,199.94/118,001.76
  6. Step 6: Final answer
    x = 88,712.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.