Home / 121,242.30-181,863.45-110,744.70

Finding the Fourth Proportional to 121,242.30, 181,863.45 and 110,744.70

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Solution

The fourth proportional to 121,242.30, 181,863.45 and 110,744.70 is: 166,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,242.30 : 181,863.45 = 110,744.70 : x
  2. Step 2: Convert to fraction form
    121,242.30/181,863.45 = 110,744.70/x
  3. Step 3: Cross multiply
    121,242.30x = 181,863.45 × 110,744.70
  4. Step 4: Simplify right side
    121,242.30x = 20,140,413,211.22
  5. Step 5: Solve for x
    x = 20,140,413,211.22/121,242.30
  6. Step 6: Final answer
    x = 166,117.05

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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.