Home / 136,062.46-187,750.15-80,863.19

Finding the Fourth Proportional to 136,062.46, 187,750.15 and 80,863.19

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Solution

The fourth proportional to 136,062.46, 187,750.15 and 80,863.19 is: 111,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062.46 : 187,750.15 = 80,863.19 : x
  2. Step 2: Convert to fraction form
    136,062.46/187,750.15 = 80,863.19/x
  3. Step 3: Cross multiply
    136,062.46x = 187,750.15 × 80,863.19
  4. Step 4: Simplify right side
    136,062.46x = 15,182,075,541.94
  5. Step 5: Solve for x
    x = 15,182,075,541.94/136,062.46
  6. Step 6: Final answer
    x = 111,581.66

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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.