Home / 226,716.20-340,074.30-77,125.40

Finding the Fourth Proportional to 226,716.20, 340,074.30 and 77,125.40

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Solution

The fourth proportional to 226,716.20, 340,074.30 and 77,125.40 is: 115,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,716.20 : 340,074.30 = 77,125.40 : x
  2. Step 2: Convert to fraction form
    226,716.20/340,074.30 = 77,125.40/x
  3. Step 3: Cross multiply
    226,716.20x = 340,074.30 × 77,125.40
  4. Step 4: Simplify right side
    226,716.20x = 26,228,366,417.22
  5. Step 5: Solve for x
    x = 26,228,366,417.22/226,716.20
  6. Step 6: Final answer
    x = 115,688.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.