Home / 215,542.96-323,315.08-75,301.60

Finding the Fourth Proportional to 215,542.96, 323,315.08 and 75,301.60

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Solution

The fourth proportional to 215,542.96, 323,315.08 and 75,301.60 is: 112,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,542.96 : 323,315.08 = 75,301.60 : x
  2. Step 2: Convert to fraction form
    215,542.96/323,315.08 = 75,301.60/x
  3. Step 3: Cross multiply
    215,542.96x = 323,315.08 × 75,301.60
  4. Step 4: Simplify right side
    215,542.96x = 24,346,142,828.13
  5. Step 5: Solve for x
    x = 24,346,142,828.13/215,542.96
  6. Step 6: Final answer
    x = 112,952.62

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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.