Home / 96,769.20-145,153.81-30,215.03

Finding the Fourth Proportional to 96,769.20, 145,153.81 and 30,215.03

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Solution

The fourth proportional to 96,769.20, 145,153.81 and 30,215.03 is: 45,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,769.20 : 145,153.81 = 30,215.03 : x
  2. Step 2: Convert to fraction form
    96,769.20/145,153.81 = 30,215.03/x
  3. Step 3: Cross multiply
    96,769.20x = 145,153.81 × 30,215.03
  4. Step 4: Simplify right side
    96,769.20x = 4,385,826,723.76
  5. Step 5: Solve for x
    x = 4,385,826,723.76/96,769.20
  6. Step 6: Final answer
    x = 45,322.55

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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.