Home / 91,123.14-136,694.45-38,537.94

Finding the Fourth Proportional to 91,123.14, 136,694.45 and 38,537.94

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Solution

The fourth proportional to 91,123.14, 136,694.45 and 38,537.94 is: 57,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,123.14 : 136,694.45 = 38,537.94 : x
  2. Step 2: Convert to fraction form
    91,123.14/136,694.45 = 38,537.94/x
  3. Step 3: Cross multiply
    91,123.14x = 136,694.45 × 38,537.94
  4. Step 4: Simplify right side
    91,123.14x = 5,267,922,319.74
  5. Step 5: Solve for x
    x = 5,267,922,319.74/91,123.14
  6. Step 6: Final answer
    x = 57,811.03

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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.