Home / 107,632.80-148,537.98-89,697.78

Finding the Fourth Proportional to 107,632.80, 148,537.98 and 89,697.78

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Solution

The fourth proportional to 107,632.80, 148,537.98 and 89,697.78 is: 123,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,632.80 : 148,537.98 = 89,697.78 : x
  2. Step 2: Convert to fraction form
    107,632.80/148,537.98 = 89,697.78/x
  3. Step 3: Cross multiply
    107,632.80x = 148,537.98 × 89,697.78
  4. Step 4: Simplify right side
    107,632.80x = 13,323,527,051.68
  5. Step 5: Solve for x
    x = 13,323,527,051.68/107,632.80
  6. Step 6: Final answer
    x = 123,786.87

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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.