Home / 146,531.40-219,537.90-137,200.20

Finding the Fourth Proportional to 146,531.40, 219,537.90 and 137,200.20

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Solution

The fourth proportional to 146,531.40, 219,537.90 and 137,200.20 is: 205,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,531.40 : 219,537.90 = 137,200.20 : x
  2. Step 2: Convert to fraction form
    146,531.40/219,537.90 = 137,200.20/x
  3. Step 3: Cross multiply
    146,531.40x = 219,537.90 × 137,200.20
  4. Step 4: Simplify right side
    146,531.40x = 30,120,643,787.58
  5. Step 5: Solve for x
    x = 30,120,643,787.58/146,531.40
  6. Step 6: Final answer
    x = 205,557.61

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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.