Home / 79,350.23-119,023.52-20,185.97

Finding the Fourth Proportional to 79,350.23, 119,023.52 and 20,185.97

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Solution

The fourth proportional to 79,350.23, 119,023.52 and 20,185.97 is: 30,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.23 : 119,023.52 = 20,185.97 : x
  2. Step 2: Convert to fraction form
    79,350.23/119,023.52 = 20,185.97/x
  3. Step 3: Cross multiply
    79,350.23x = 119,023.52 × 20,185.97
  4. Step 4: Simplify right side
    79,350.23x = 2,402,604,659.36
  5. Step 5: Solve for x
    x = 2,402,604,659.36/79,350.23
  6. Step 6: Final answer
    x = 30,278.49

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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.