Home / 121,133.17-181,728.51-38,027.17

Finding the Fourth Proportional to 121,133.17, 181,728.51 and 38,027.17

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Solution

The fourth proportional to 121,133.17, 181,728.51 and 38,027.17 is: 57,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,133.17 : 181,728.51 = 38,027.17 : x
  2. Step 2: Convert to fraction form
    121,133.17/181,728.51 = 38,027.17/x
  3. Step 3: Cross multiply
    121,133.17x = 181,728.51 × 38,027.17
  4. Step 4: Simplify right side
    121,133.17x = 6,910,621,242.08
  5. Step 5: Solve for x
    x = 6,910,621,242.08/121,133.17
  6. Step 6: Final answer
    x = 57,049.78

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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.