Home / 269,974.10-372,532.30-149,108.20

Finding the Fourth Proportional to 269,974.10, 372,532.30 and 149,108.20

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Solution

The fourth proportional to 269,974.10, 372,532.30 and 149,108.20 is: 205,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,974.10 : 372,532.30 = 149,108.20 : x
  2. Step 2: Convert to fraction form
    269,974.10/372,532.30 = 149,108.20/x
  3. Step 3: Cross multiply
    269,974.10x = 372,532.30 × 149,108.20
  4. Step 4: Simplify right side
    269,974.10x = 55,547,619,390.76
  5. Step 5: Solve for x
    x = 55,547,619,390.76/269,974.10
  6. Step 6: Final answer
    x = 205,751.66

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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.