Home / 91,557.37-137,594.04-54,134.97

Finding the Fourth Proportional to 91,557.37, 137,594.04 and 54,134.97

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Solution

The fourth proportional to 91,557.37, 137,594.04 and 54,134.97 is: 81,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,557.37 : 137,594.04 = 54,134.97 : x
  2. Step 2: Convert to fraction form
    91,557.37/137,594.04 = 54,134.97/x
  3. Step 3: Cross multiply
    91,557.37x = 137,594.04 × 54,134.97
  4. Step 4: Simplify right side
    91,557.37x = 7,448,649,227.58
  5. Step 5: Solve for x
    x = 7,448,649,227.58/91,557.37
  6. Step 6: Final answer
    x = 81,354.99

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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.