Home / 152,769.60-229,327.20-90,475.20

Finding the Fourth Proportional to 152,769.60, 229,327.20 and 90,475.20

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Solution

The fourth proportional to 152,769.60, 229,327.20 and 90,475.20 is: 135,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,769.60 : 229,327.20 = 90,475.20 : x
  2. Step 2: Convert to fraction form
    152,769.60/229,327.20 = 90,475.20/x
  3. Step 3: Cross multiply
    152,769.60x = 229,327.20 × 90,475.20
  4. Step 4: Simplify right side
    152,769.60x = 20,748,424,285.44
  5. Step 5: Solve for x
    x = 20,748,424,285.44/152,769.60
  6. Step 6: Final answer
    x = 135,815.14

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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.