Home / 269,621.52-372,071.52-148,774.20

Finding the Fourth Proportional to 269,621.52, 372,071.52 and 148,774.20

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Solution

The fourth proportional to 269,621.52, 372,071.52 and 148,774.20 is: 205,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,621.52 : 372,071.52 = 148,774.20 : x
  2. Step 2: Convert to fraction form
    269,621.52/372,071.52 = 148,774.20/x
  3. Step 3: Cross multiply
    269,621.52x = 372,071.52 × 148,774.20
  4. Step 4: Simplify right side
    269,621.52x = 55,354,642,730.78
  5. Step 5: Solve for x
    x = 55,354,642,730.78/269,621.52
  6. Step 6: Final answer
    x = 205,304.99

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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.