Home / 85,331.18-127,991.99-26,166.69

Finding the Fourth Proportional to 85,331.18, 127,991.99 and 26,166.69

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Solution

The fourth proportional to 85,331.18, 127,991.99 and 26,166.69 is: 39,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.18 : 127,991.99 = 26,166.69 : x
  2. Step 2: Convert to fraction form
    85,331.18/127,991.99 = 26,166.69/x
  3. Step 3: Cross multiply
    85,331.18x = 127,991.99 × 26,166.69
  4. Step 4: Simplify right side
    85,331.18x = 3,349,126,593.98
  5. Step 5: Solve for x
    x = 3,349,126,593.98/85,331.18
  6. Step 6: Final answer
    x = 39,248.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.