Home / 226,290.12-312,210.06-130,761.96

Finding the Fourth Proportional to 226,290.12, 312,210.06 and 130,761.96

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Solution

The fourth proportional to 226,290.12, 312,210.06 and 130,761.96 is: 180,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,290.12 : 312,210.06 = 130,761.96 : x
  2. Step 2: Convert to fraction form
    226,290.12/312,210.06 = 130,761.96/x
  3. Step 3: Cross multiply
    226,290.12x = 312,210.06 × 130,761.96
  4. Step 4: Simplify right side
    226,290.12x = 40,825,199,377.32
  5. Step 5: Solve for x
    x = 40,825,199,377.32/226,290.12
  6. Step 6: Final answer
    x = 180,410.88

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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.