Home / 125,546.60-188,320.21-30,777.20

Finding the Fourth Proportional to 125,546.60, 188,320.21 and 30,777.20

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Solution

The fourth proportional to 125,546.60, 188,320.21 and 30,777.20 is: 46,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,546.60 : 188,320.21 = 30,777.20 : x
  2. Step 2: Convert to fraction form
    125,546.60/188,320.21 = 30,777.20/x
  3. Step 3: Cross multiply
    125,546.60x = 188,320.21 × 30,777.20
  4. Step 4: Simplify right side
    125,546.60x = 5,795,968,767.21
  5. Step 5: Solve for x
    x = 5,795,968,767.21/125,546.60
  6. Step 6: Final answer
    x = 46,165.88

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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.