Home / 146,972.20-220,458.30-111,980.20

Finding the Fourth Proportional to 146,972.20, 220,458.30 and 111,980.20

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Solution

The fourth proportional to 146,972.20, 220,458.30 and 111,980.20 is: 167,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,972.20 : 220,458.30 = 111,980.20 : x
  2. Step 2: Convert to fraction form
    146,972.20/220,458.30 = 111,980.20/x
  3. Step 3: Cross multiply
    146,972.20x = 220,458.30 × 111,980.20
  4. Step 4: Simplify right side
    146,972.20x = 24,686,964,525.66
  5. Step 5: Solve for x
    x = 24,686,964,525.66/146,972.20
  6. Step 6: Final answer
    x = 167,970.30

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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.