Home / 91,670.54-137,505.93-25,111.25

Finding the Fourth Proportional to 91,670.54, 137,505.93 and 25,111.25

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Solution

The fourth proportional to 91,670.54, 137,505.93 and 25,111.25 is: 37,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,670.54 : 137,505.93 = 25,111.25 : x
  2. Step 2: Convert to fraction form
    91,670.54/137,505.93 = 25,111.25/x
  3. Step 3: Cross multiply
    91,670.54x = 137,505.93 × 25,111.25
  4. Step 4: Simplify right side
    91,670.54x = 3,452,945,589.29
  5. Step 5: Solve for x
    x = 3,452,945,589.29/91,670.54
  6. Step 6: Final answer
    x = 37,666.90

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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.