Home / 105,425.24-158,189.80-49,269.24

Finding the Fourth Proportional to 105,425.24, 158,189.80 and 49,269.24

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Solution

The fourth proportional to 105,425.24, 158,189.80 and 49,269.24 is: 73,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,425.24 : 158,189.80 = 49,269.24 : x
  2. Step 2: Convert to fraction form
    105,425.24/158,189.80 = 49,269.24/x
  3. Step 3: Cross multiply
    105,425.24x = 158,189.80 × 49,269.24
  4. Step 4: Simplify right side
    105,425.24x = 7,793,891,221.75
  5. Step 5: Solve for x
    x = 7,793,891,221.75/105,425.24
  6. Step 6: Final answer
    x = 73,928.13

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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.