Home / 91,944.40-137,913.86-25,388.60

Finding the Fourth Proportional to 91,944.40, 137,913.86 and 25,388.60

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Solution

The fourth proportional to 91,944.40, 137,913.86 and 25,388.60 is: 38,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,944.40 : 137,913.86 = 25,388.60 : x
  2. Step 2: Convert to fraction form
    91,944.40/137,913.86 = 25,388.60/x
  3. Step 3: Cross multiply
    91,944.40x = 137,913.86 × 25,388.60
  4. Step 4: Simplify right side
    91,944.40x = 3,501,439,826.00
  5. Step 5: Solve for x
    x = 3,501,439,826.00/91,944.40
  6. Step 6: Final answer
    x = 38,082.14

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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.