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Finding the Fourth Proportional to 188,117.75, 282,268.88 and 88,286.06

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Solution

The fourth proportional to 188,117.75, 282,268.88 and 88,286.06 is: 132,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,117.75 : 282,268.88 = 88,286.06 : x
  2. Step 2: Convert to fraction form
    188,117.75/282,268.88 = 88,286.06/x
  3. Step 3: Cross multiply
    188,117.75x = 282,268.88 × 88,286.06
  4. Step 4: Simplify right side
    188,117.75x = 24,920,407,275.81
  5. Step 5: Solve for x
    x = 24,920,407,275.81/188,117.75
  6. Step 6: Final answer
    x = 132,472.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.