Home / 226,931.22-313,117.65-131,432.22

Finding the Fourth Proportional to 226,931.22, 313,117.65 and 131,432.22

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Solution

The fourth proportional to 226,931.22, 313,117.65 and 131,432.22 is: 181,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,931.22 : 313,117.65 = 131,432.22 : x
  2. Step 2: Convert to fraction form
    226,931.22/313,117.65 = 131,432.22/x
  3. Step 3: Cross multiply
    226,931.22x = 313,117.65 × 131,432.22
  4. Step 4: Simplify right side
    226,931.22x = 41,153,747,860.68
  5. Step 5: Solve for x
    x = 41,153,747,860.68/226,931.22
  6. Step 6: Final answer
    x = 181,348.99

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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.