Home / 91,782.05-137,646.61-25,224.35

Finding the Fourth Proportional to 91,782.05, 137,646.61 and 25,224.35

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Solution

The fourth proportional to 91,782.05, 137,646.61 and 25,224.35 is: 37,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782.05 : 137,646.61 = 25,224.35 : x
  2. Step 2: Convert to fraction form
    91,782.05/137,646.61 = 25,224.35/x
  3. Step 3: Cross multiply
    91,782.05x = 137,646.61 × 25,224.35
  4. Step 4: Simplify right side
    91,782.05x = 3,472,045,515.66
  5. Step 5: Solve for x
    x = 3,472,045,515.66/91,782.05
  6. Step 6: Final answer
    x = 37,829.25

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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.