Home / 146,819.60-220,229.40-145,437.20

Finding the Fourth Proportional to 146,819.60, 220,229.40 and 145,437.20

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Solution

The fourth proportional to 146,819.60, 220,229.40 and 145,437.20 is: 218,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,819.60 : 220,229.40 = 145,437.20 : x
  2. Step 2: Convert to fraction form
    146,819.60/220,229.40 = 145,437.20/x
  3. Step 3: Cross multiply
    146,819.60x = 220,229.40 × 145,437.20
  4. Step 4: Simplify right side
    146,819.60x = 32,029,547,293.68
  5. Step 5: Solve for x
    x = 32,029,547,293.68/146,819.60
  6. Step 6: Final answer
    x = 218,155.80

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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.