Home / 121,180.17-181,651.19-57,982.35

Finding the Fourth Proportional to 121,180.17, 181,651.19 and 57,982.35

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Solution

The fourth proportional to 121,180.17, 181,651.19 and 57,982.35 is: 86,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,180.17 : 181,651.19 = 57,982.35 : x
  2. Step 2: Convert to fraction form
    121,180.17/181,651.19 = 57,982.35/x
  3. Step 3: Cross multiply
    121,180.17x = 181,651.19 × 57,982.35
  4. Step 4: Simplify right side
    121,180.17x = 10,532,562,586.58
  5. Step 5: Solve for x
    x = 10,532,562,586.58/121,180.17
  6. Step 6: Final answer
    x = 86,916.55

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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.