Home / 144,119.28-216,208.68-44,273.52

Finding the Fourth Proportional to 144,119.28, 216,208.68 and 44,273.52

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Solution

The fourth proportional to 144,119.28, 216,208.68 and 44,273.52 is: 66,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,119.28 : 216,208.68 = 44,273.52 : x
  2. Step 2: Convert to fraction form
    144,119.28/216,208.68 = 44,273.52/x
  3. Step 3: Cross multiply
    144,119.28x = 216,208.68 × 44,273.52
  4. Step 4: Simplify right side
    144,119.28x = 9,572,319,318.15
  5. Step 5: Solve for x
    x = 9,572,319,318.15/144,119.28
  6. Step 6: Final answer
    x = 66,419.42

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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.