Home / 101,538.27-152,338.55-45,425.61

Finding the Fourth Proportional to 101,538.27, 152,338.55 and 45,425.61

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Solution

The fourth proportional to 101,538.27, 152,338.55 and 45,425.61 is: 68,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,538.27 : 152,338.55 = 45,425.61 : x
  2. Step 2: Convert to fraction form
    101,538.27/152,338.55 = 45,425.61/x
  3. Step 3: Cross multiply
    101,538.27x = 152,338.55 × 45,425.61
  4. Step 4: Simplify right side
    101,538.27x = 6,920,071,333.14
  5. Step 5: Solve for x
    x = 6,920,071,333.14/101,538.27
  6. Step 6: Final answer
    x = 68,152.35

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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.