Home / 144,065.28-215,987.76-119,026.56

Finding the Fourth Proportional to 144,065.28, 215,987.76 and 119,026.56

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Solution

The fourth proportional to 144,065.28, 215,987.76 and 119,026.56 is: 178,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,065.28 : 215,987.76 = 119,026.56 : x
  2. Step 2: Convert to fraction form
    144,065.28/215,987.76 = 119,026.56/x
  3. Step 3: Cross multiply
    144,065.28x = 215,987.76 × 119,026.56
  4. Step 4: Simplify right side
    144,065.28x = 25,708,280,074.91
  5. Step 5: Solve for x
    x = 25,708,280,074.91/144,065.28
  6. Step 6: Final answer
    x = 178,448.83

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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.