Home / 136,028.26-187,719.38-75,598.71

Finding the Fourth Proportional to 136,028.26, 187,719.38 and 75,598.71

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Solution

The fourth proportional to 136,028.26, 187,719.38 and 75,598.71 is: 104,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,028.26 : 187,719.38 = 75,598.71 : x
  2. Step 2: Convert to fraction form
    136,028.26/187,719.38 = 75,598.71/x
  3. Step 3: Cross multiply
    136,028.26x = 187,719.38 × 75,598.71
  4. Step 4: Simplify right side
    136,028.26x = 14,191,342,970.00
  5. Step 5: Solve for x
    x = 14,191,342,970.00/136,028.26
  6. Step 6: Final answer
    x = 104,326.43

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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.