Home / 208,520.26-312,732.42-124,304.20

Finding the Fourth Proportional to 208,520.26, 312,732.42 and 124,304.20

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Solution

The fourth proportional to 208,520.26, 312,732.42 and 124,304.20 is: 186,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,520.26 : 312,732.42 = 124,304.20 : x
  2. Step 2: Convert to fraction form
    208,520.26/312,732.42 = 124,304.20/x
  3. Step 3: Cross multiply
    208,520.26x = 312,732.42 × 124,304.20
  4. Step 4: Simplify right side
    208,520.26x = 38,873,953,282.16
  5. Step 5: Solve for x
    x = 38,873,953,282.16/208,520.26
  6. Step 6: Final answer
    x = 186,427.70

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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.