Home / 131,116.96-180,939.57-73,751.95

Finding the Fourth Proportional to 131,116.96, 180,939.57 and 73,751.95

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Solution

The fourth proportional to 131,116.96, 180,939.57 and 73,751.95 is: 101,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,116.96 : 180,939.57 = 73,751.95 : x
  2. Step 2: Convert to fraction form
    131,116.96/180,939.57 = 73,751.95/x
  3. Step 3: Cross multiply
    131,116.96x = 180,939.57 × 73,751.95
  4. Step 4: Simplify right side
    131,116.96x = 13,344,646,119.66
  5. Step 5: Solve for x
    x = 13,344,646,119.66/131,116.96
  6. Step 6: Final answer
    x = 101,776.66

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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.