Home / 269,612.12-372,047.45-148,753.40

Finding the Fourth Proportional to 269,612.12, 372,047.45 and 148,753.40

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Solution

The fourth proportional to 269,612.12, 372,047.45 and 148,753.40 is: 205,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,612.12 : 372,047.45 = 148,753.40 : x
  2. Step 2: Convert to fraction form
    269,612.12/372,047.45 = 148,753.40/x
  3. Step 3: Cross multiply
    269,612.12x = 372,047.45 × 148,753.40
  4. Step 4: Simplify right side
    269,612.12x = 55,343,320,544.83
  5. Step 5: Solve for x
    x = 55,343,320,544.83/269,612.12
  6. Step 6: Final answer
    x = 205,270.15

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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.