Home / 239,648.40-330,712.38-132,219.18

Finding the Fourth Proportional to 239,648.40, 330,712.38 and 132,219.18

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Solution

The fourth proportional to 239,648.40, 330,712.38 and 132,219.18 is: 182,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,648.40 : 330,712.38 = 132,219.18 : x
  2. Step 2: Convert to fraction form
    239,648.40/330,712.38 = 132,219.18/x
  3. Step 3: Cross multiply
    239,648.40x = 330,712.38 × 132,219.18
  4. Step 4: Simplify right side
    239,648.40x = 43,726,519,699.45
  5. Step 5: Solve for x
    x = 43,726,519,699.45/239,648.40
  6. Step 6: Final answer
    x = 182,461.14

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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.