Home / 146,723.20-220,084.80-145,848.40

Finding the Fourth Proportional to 146,723.20, 220,084.80 and 145,848.40

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Solution

The fourth proportional to 146,723.20, 220,084.80 and 145,848.40 is: 218,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,723.20 : 220,084.80 = 145,848.40 : x
  2. Step 2: Convert to fraction form
    146,723.20/220,084.80 = 145,848.40/x
  3. Step 3: Cross multiply
    146,723.20x = 220,084.80 × 145,848.40
  4. Step 4: Simplify right side
    146,723.20x = 32,099,015,944.32
  5. Step 5: Solve for x
    x = 32,099,015,944.32/146,723.20
  6. Step 6: Final answer
    x = 218,772.60

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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.