Home / 89,278.14-123,209.88-51,552.36

Finding the Fourth Proportional to 89,278.14, 123,209.88 and 51,552.36

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Solution

The fourth proportional to 89,278.14, 123,209.88 and 51,552.36 is: 71,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.14 : 123,209.88 = 51,552.36 : x
  2. Step 2: Convert to fraction form
    89,278.14/123,209.88 = 51,552.36/x
  3. Step 3: Cross multiply
    89,278.14x = 123,209.88 × 51,552.36
  4. Step 4: Simplify right side
    89,278.14x = 6,351,760,089.32
  5. Step 5: Solve for x
    x = 6,351,760,089.32/89,278.14
  6. Step 6: Final answer
    x = 71,145.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.