Home / 91,690.36-137,534.42-25,130.43

Finding the Fourth Proportional to 91,690.36, 137,534.42 and 25,130.43

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Solution

The fourth proportional to 91,690.36, 137,534.42 and 25,130.43 is: 37,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,690.36 : 137,534.42 = 25,130.43 : x
  2. Step 2: Convert to fraction form
    91,690.36/137,534.42 = 25,130.43/x
  3. Step 3: Cross multiply
    91,690.36x = 137,534.42 × 25,130.43
  4. Step 4: Simplify right side
    91,690.36x = 3,456,299,114.40
  5. Step 5: Solve for x
    x = 3,456,299,114.40/91,690.36
  6. Step 6: Final answer
    x = 37,695.34

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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.