Home / 215,032.14-322,552.68-78,250.56

Finding the Fourth Proportional to 215,032.14, 322,552.68 and 78,250.56

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Solution

The fourth proportional to 215,032.14, 322,552.68 and 78,250.56 is: 117,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,032.14 : 322,552.68 = 78,250.56 : x
  2. Step 2: Convert to fraction form
    215,032.14/322,552.68 = 78,250.56/x
  3. Step 3: Cross multiply
    215,032.14x = 322,552.68 × 78,250.56
  4. Step 4: Simplify right side
    215,032.14x = 25,239,927,839.50
  5. Step 5: Solve for x
    x = 25,239,927,839.50/215,032.14
  6. Step 6: Final answer
    x = 117,377.47

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1.5x scale

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.