Home / 91,476.60-137,210.78-38,146.62

Finding the Fourth Proportional to 91,476.60, 137,210.78 and 38,146.62

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Solution

The fourth proportional to 91,476.60, 137,210.78 and 38,146.62 is: 57,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,476.60 : 137,210.78 = 38,146.62 : x
  2. Step 2: Convert to fraction form
    91,476.60/137,210.78 = 38,146.62/x
  3. Step 3: Cross multiply
    91,476.60x = 137,210.78 × 38,146.62
  4. Step 4: Simplify right side
    91,476.60x = 5,234,127,484.56
  5. Step 5: Solve for x
    x = 5,234,127,484.56/91,476.60
  6. Step 6: Final answer
    x = 57,218.21

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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.