Home / 97,429.20-146,143.80-38,245.20

Finding the Fourth Proportional to 97,429.20, 146,143.80 and 38,245.20

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Solution

The fourth proportional to 97,429.20, 146,143.80 and 38,245.20 is: 57,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,429.20 : 146,143.80 = 38,245.20 : x
  2. Step 2: Convert to fraction form
    97,429.20/146,143.80 = 38,245.20/x
  3. Step 3: Cross multiply
    97,429.20x = 146,143.80 × 38,245.20
  4. Step 4: Simplify right side
    97,429.20x = 5,589,298,859.76
  5. Step 5: Solve for x
    x = 5,589,298,859.76/97,429.20
  6. Step 6: Final answer
    x = 57,367.80

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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.