Home / 91,306.38-136,954.80-32,142.45

Finding the Fourth Proportional to 91,306.38, 136,954.80 and 32,142.45

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Solution

The fourth proportional to 91,306.38, 136,954.80 and 32,142.45 is: 48,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,306.38 : 136,954.80 = 32,142.45 : x
  2. Step 2: Convert to fraction form
    91,306.38/136,954.80 = 32,142.45/x
  3. Step 3: Cross multiply
    91,306.38x = 136,954.80 × 32,142.45
  4. Step 4: Simplify right side
    91,306.38x = 4,402,062,811.26
  5. Step 5: Solve for x
    x = 4,402,062,811.26/91,306.38
  6. Step 6: Final answer
    x = 48,212.00

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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.