Home / 91,730.35-137,580.75-25,155.02

Finding the Fourth Proportional to 91,730.35, 137,580.75 and 25,155.02

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Solution

The fourth proportional to 91,730.35, 137,580.75 and 25,155.02 is: 37,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.35 : 137,580.75 = 25,155.02 : x
  2. Step 2: Convert to fraction form
    91,730.35/137,580.75 = 25,155.02/x
  3. Step 3: Cross multiply
    91,730.35x = 137,580.75 × 25,155.02
  4. Step 4: Simplify right side
    91,730.35x = 3,460,846,517.87
  5. Step 5: Solve for x
    x = 3,460,846,517.87/91,730.35
  6. Step 6: Final answer
    x = 37,728.48

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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.