Home / 121,399.41-182,121.03-37,158.06

Finding the Fourth Proportional to 121,399.41, 182,121.03 and 37,158.06

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Solution

The fourth proportional to 121,399.41, 182,121.03 and 37,158.06 is: 55,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,399.41 : 182,121.03 = 37,158.06 : x
  2. Step 2: Convert to fraction form
    121,399.41/182,121.03 = 37,158.06/x
  3. Step 3: Cross multiply
    121,399.41x = 182,121.03 × 37,158.06
  4. Step 4: Simplify right side
    121,399.41x = 6,767,264,160.00
  5. Step 5: Solve for x
    x = 6,767,264,160.00/121,399.41
  6. Step 6: Final answer
    x = 55,743.80

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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.