Home / 121,146.06-181,726.40-38,040.06

Finding the Fourth Proportional to 121,146.06, 181,726.40 and 38,040.06

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Solution

The fourth proportional to 121,146.06, 181,726.40 and 38,040.06 is: 57,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,146.06 : 181,726.40 = 38,040.06 : x
  2. Step 2: Convert to fraction form
    121,146.06/181,726.40 = 38,040.06/x
  3. Step 3: Cross multiply
    121,146.06x = 181,726.40 × 38,040.06
  4. Step 4: Simplify right side
    121,146.06x = 6,912,883,159.58
  5. Step 5: Solve for x
    x = 6,912,883,159.58/121,146.06
  6. Step 6: Final answer
    x = 57,062.39

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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.