Home / 79,346.87-119,018.45-20,182.59

Finding the Fourth Proportional to 79,346.87, 119,018.45 and 20,182.59

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Solution

The fourth proportional to 79,346.87, 119,018.45 and 20,182.59 is: 30,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.87 : 119,018.45 = 20,182.59 : x
  2. Step 2: Convert to fraction form
    79,346.87/119,018.45 = 20,182.59/x
  3. Step 3: Cross multiply
    79,346.87x = 119,018.45 × 20,182.59
  4. Step 4: Simplify right side
    79,346.87x = 2,402,100,477.87
  5. Step 5: Solve for x
    x = 2,402,100,477.87/79,346.87
  6. Step 6: Final answer
    x = 30,273.41

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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.