Home / 91,292.14-136,938.21-34,376.73

Finding the Fourth Proportional to 91,292.14, 136,938.21 and 34,376.73

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Solution

The fourth proportional to 91,292.14, 136,938.21 and 34,376.73 is: 51,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,292.14 : 136,938.21 = 34,376.73 : x
  2. Step 2: Convert to fraction form
    91,292.14/136,938.21 = 34,376.73/x
  3. Step 3: Cross multiply
    91,292.14x = 136,938.21 × 34,376.73
  4. Step 4: Simplify right side
    91,292.14x = 4,707,487,871.85
  5. Step 5: Solve for x
    x = 4,707,487,871.85/91,292.14
  6. Step 6: Final answer
    x = 51,565.10

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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.