Home / 121,030.24-181,471.29-49,930.87

Finding the Fourth Proportional to 121,030.24, 181,471.29 and 49,930.87

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Solution

The fourth proportional to 121,030.24, 181,471.29 and 49,930.87 is: 74,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,030.24 : 181,471.29 = 49,930.87 : x
  2. Step 2: Convert to fraction form
    121,030.24/181,471.29 = 49,930.87/x
  3. Step 3: Cross multiply
    121,030.24x = 181,471.29 × 49,930.87
  4. Step 4: Simplify right side
    121,030.24x = 9,061,019,389.72
  5. Step 5: Solve for x
    x = 9,061,019,389.72/121,030.24
  6. Step 6: Final answer
    x = 74,865.75

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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.