Home / 107,644.14-148,590.25-80,864.33

Finding the Fourth Proportional to 107,644.14, 148,590.25 and 80,864.33

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Solution

The fourth proportional to 107,644.14, 148,590.25 and 80,864.33 is: 111,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,644.14 : 148,590.25 = 80,864.33 : x
  2. Step 2: Convert to fraction form
    107,644.14/148,590.25 = 80,864.33/x
  3. Step 3: Cross multiply
    107,644.14x = 148,590.25 × 80,864.33
  4. Step 4: Simplify right side
    107,644.14x = 12,015,650,065.67
  5. Step 5: Solve for x
    x = 12,015,650,065.67/107,644.14
  6. Step 6: Final answer
    x = 111,623.82

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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.