Home / 135,016.19-186,323.90-74,585.57

Finding the Fourth Proportional to 135,016.19, 186,323.90 and 74,585.57

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Solution

The fourth proportional to 135,016.19, 186,323.90 and 74,585.57 is: 102,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,016.19 : 186,323.90 = 74,585.57 : x
  2. Step 2: Convert to fraction form
    135,016.19/186,323.90 = 74,585.57/x
  3. Step 3: Cross multiply
    135,016.19x = 186,323.90 × 74,585.57
  4. Step 4: Simplify right side
    135,016.19x = 13,897,074,286.12
  5. Step 5: Solve for x
    x = 13,897,074,286.12/135,016.19
  6. Step 6: Final answer
    x = 102,928.95

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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.