Home / 124,278.10-186,448.20-40,046.20

Finding the Fourth Proportional to 124,278.10, 186,448.20 and 40,046.20

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Solution

The fourth proportional to 124,278.10, 186,448.20 and 40,046.20 is: 60,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.10 : 186,448.20 = 40,046.20 : x
  2. Step 2: Convert to fraction form
    124,278.10/186,448.20 = 40,046.20/x
  3. Step 3: Cross multiply
    124,278.10x = 186,448.20 × 40,046.20
  4. Step 4: Simplify right side
    124,278.10x = 7,466,541,906.84
  5. Step 5: Solve for x
    x = 7,466,541,906.84/124,278.10
  6. Step 6: Final answer
    x = 60,079.31

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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.