Home / 121,088.85-181,640.10-36,851.76

Finding the Fourth Proportional to 121,088.85, 181,640.10 and 36,851.76

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Solution

The fourth proportional to 121,088.85, 181,640.10 and 36,851.76 is: 55,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088.85 : 181,640.10 = 36,851.76 : x
  2. Step 2: Convert to fraction form
    121,088.85/181,640.10 = 36,851.76/x
  3. Step 3: Cross multiply
    121,088.85x = 181,640.10 × 36,851.76
  4. Step 4: Simplify right side
    121,088.85x = 6,693,757,371.58
  5. Step 5: Solve for x
    x = 6,693,757,371.58/121,088.85
  6. Step 6: Final answer
    x = 55,279.72

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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.