Home / 121,145.82-181,726.02-38,039.82

Finding the Fourth Proportional to 121,145.82, 181,726.02 and 38,039.82

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Solution

The fourth proportional to 121,145.82, 181,726.02 and 38,039.82 is: 57,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,145.82 : 181,726.02 = 38,039.82 : x
  2. Step 2: Convert to fraction form
    121,145.82/181,726.02 = 38,039.82/x
  3. Step 3: Cross multiply
    121,145.82x = 181,726.02 × 38,039.82
  4. Step 4: Simplify right side
    121,145.82x = 6,912,825,090.12
  5. Step 5: Solve for x
    x = 6,912,825,090.12/121,145.82
  6. Step 6: Final answer
    x = 57,062.02

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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.