Home / 144,325.29-216,334.85-55,540.38

Finding the Fourth Proportional to 144,325.29, 216,334.85 and 55,540.38

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Solution

The fourth proportional to 144,325.29, 216,334.85 and 55,540.38 is: 83,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,325.29 : 216,334.85 = 55,540.38 : x
  2. Step 2: Convert to fraction form
    144,325.29/216,334.85 = 55,540.38/x
  3. Step 3: Cross multiply
    144,325.29x = 216,334.85 × 55,540.38
  4. Step 4: Simplify right side
    144,325.29x = 12,015,320,622.21
  5. Step 5: Solve for x
    x = 12,015,320,622.21/144,325.29
  6. Step 6: Final answer
    x = 83,251.66

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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.