Home / 225,252.39-310,817.55-134,589.20

Finding the Fourth Proportional to 225,252.39, 310,817.55 and 134,589.20

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Solution

The fourth proportional to 225,252.39, 310,817.55 and 134,589.20 is: 185,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,252.39 : 310,817.55 = 134,589.20 : x
  2. Step 2: Convert to fraction form
    225,252.39/310,817.55 = 134,589.20/x
  3. Step 3: Cross multiply
    225,252.39x = 310,817.55 × 134,589.20
  4. Step 4: Simplify right side
    225,252.39x = 41,832,684,351.08
  5. Step 5: Solve for x
    x = 41,832,684,351.08/225,252.39
  6. Step 6: Final answer
    x = 185,714.72

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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.