Home / 148,882.29-205,458.86-80,899.27

Finding the Fourth Proportional to 148,882.29, 205,458.86 and 80,899.27

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Solution

The fourth proportional to 148,882.29, 205,458.86 and 80,899.27 is: 111,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,882.29 : 205,458.86 = 80,899.27 : x
  2. Step 2: Convert to fraction form
    148,882.29/205,458.86 = 80,899.27/x
  3. Step 3: Cross multiply
    148,882.29x = 205,458.86 × 80,899.27
  4. Step 4: Simplify right side
    148,882.29x = 16,621,471,009.82
  5. Step 5: Solve for x
    x = 16,621,471,009.82/148,882.29
  6. Step 6: Final answer
    x = 111,641.69

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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.