Home / 226,729.50-312,886.68-124,752.78

Finding the Fourth Proportional to 226,729.50, 312,886.68 and 124,752.78

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Solution

The fourth proportional to 226,729.50, 312,886.68 and 124,752.78 is: 172,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,729.50 : 312,886.68 = 124,752.78 : x
  2. Step 2: Convert to fraction form
    226,729.50/312,886.68 = 124,752.78/x
  3. Step 3: Cross multiply
    226,729.50x = 312,886.68 × 124,752.78
  4. Step 4: Simplify right side
    226,729.50x = 39,033,483,154.97
  5. Step 5: Solve for x
    x = 39,033,483,154.97/226,729.50
  6. Step 6: Final answer
    x = 172,158.82

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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.