Home / 147,277.44-220,943.70-80,680.86

Finding the Fourth Proportional to 147,277.44, 220,943.70 and 80,680.86

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Solution

The fourth proportional to 147,277.44, 220,943.70 and 80,680.86 is: 121,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,277.44 : 220,943.70 = 80,680.86 : x
  2. Step 2: Convert to fraction form
    147,277.44/220,943.70 = 80,680.86/x
  3. Step 3: Cross multiply
    147,277.44x = 220,943.70 × 80,680.86
  4. Step 4: Simplify right side
    147,277.44x = 17,825,927,727.58
  5. Step 5: Solve for x
    x = 17,825,927,727.58/147,277.44
  6. Step 6: Final answer
    x = 121,036.38

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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.