Home / 91,548.36-137,211.65-38,847.14

Finding the Fourth Proportional to 91,548.36, 137,211.65 and 38,847.14

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Solution

The fourth proportional to 91,548.36, 137,211.65 and 38,847.14 is: 58,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,548.36 : 137,211.65 = 38,847.14 : x
  2. Step 2: Convert to fraction form
    91,548.36/137,211.65 = 38,847.14/x
  3. Step 3: Cross multiply
    91,548.36x = 137,211.65 × 38,847.14
  4. Step 4: Simplify right side
    91,548.36x = 5,330,279,296.89
  5. Step 5: Solve for x
    x = 5,330,279,296.89/91,548.36
  6. Step 6: Final answer
    x = 58,223.65

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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.