Home / 136,119.14-187,843.75-75,686.19

Finding the Fourth Proportional to 136,119.14, 187,843.75 and 75,686.19

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Solution

The fourth proportional to 136,119.14, 187,843.75 and 75,686.19 is: 104,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,119.14 : 187,843.75 = 75,686.19 : x
  2. Step 2: Convert to fraction form
    136,119.14/187,843.75 = 75,686.19/x
  3. Step 3: Cross multiply
    136,119.14x = 187,843.75 × 75,686.19
  4. Step 4: Simplify right side
    136,119.14x = 14,217,177,752.81
  5. Step 5: Solve for x
    x = 14,217,177,752.81/136,119.14
  6. Step 6: Final answer
    x = 104,446.57

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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.