Home / 121,178.16-181,794.88-36,945.85

Finding the Fourth Proportional to 121,178.16, 181,794.88 and 36,945.85

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Solution

The fourth proportional to 121,178.16, 181,794.88 and 36,945.85 is: 55,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,178.16 : 181,794.88 = 36,945.85 : x
  2. Step 2: Convert to fraction form
    121,178.16/181,794.88 = 36,945.85/x
  3. Step 3: Cross multiply
    121,178.16x = 181,794.88 × 36,945.85
  4. Step 4: Simplify right side
    121,178.16x = 6,716,566,367.25
  5. Step 5: Solve for x
    x = 6,716,566,367.25/121,178.16
  6. Step 6: Final answer
    x = 55,427.20

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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.