Home / 100,686.75-151,306.91-94,103.70

Finding the Fourth Proportional to 100,686.75, 151,306.91 and 94,103.70

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Solution

The fourth proportional to 100,686.75, 151,306.91 and 94,103.70 is: 141,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,686.75 : 151,306.91 = 94,103.70 : x
  2. Step 2: Convert to fraction form
    100,686.75/151,306.91 = 94,103.70/x
  3. Step 3: Cross multiply
    100,686.75x = 151,306.91 × 94,103.70
  4. Step 4: Simplify right side
    100,686.75x = 14,238,540,071.75
  5. Step 5: Solve for x
    x = 14,238,540,071.75/100,686.75
  6. Step 6: Final answer
    x = 141,414.24

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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.