Home / 226,238.76-312,191.28-130,751.64

Finding the Fourth Proportional to 226,238.76, 312,191.28 and 130,751.64

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Solution

The fourth proportional to 226,238.76, 312,191.28 and 130,751.64 is: 180,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,238.76 : 312,191.28 = 130,751.64 : x
  2. Step 2: Convert to fraction form
    226,238.76/312,191.28 = 130,751.64/x
  3. Step 3: Cross multiply
    226,238.76x = 312,191.28 × 130,751.64
  4. Step 4: Simplify right side
    226,238.76x = 40,819,521,853.70
  5. Step 5: Solve for x
    x = 40,819,521,853.70/226,238.76
  6. Step 6: Final answer
    x = 180,426.74

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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.