Home / 123,981.18-171,176.42-95,249.67

Finding the Fourth Proportional to 123,981.18, 171,176.42 and 95,249.67

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Solution

The fourth proportional to 123,981.18, 171,176.42 and 95,249.67 is: 131,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,981.18 : 171,176.42 = 95,249.67 : x
  2. Step 2: Convert to fraction form
    123,981.18/171,176.42 = 95,249.67/x
  3. Step 3: Cross multiply
    123,981.18x = 171,176.42 × 95,249.67
  4. Step 4: Simplify right side
    123,981.18x = 16,304,497,040.53
  5. Step 5: Solve for x
    x = 16,304,497,040.53/123,981.18
  6. Step 6: Final answer
    x = 131,507.84

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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.