Home / 212,924.20-319,373.68-79,793.32

Finding the Fourth Proportional to 212,924.20, 319,373.68 and 79,793.32

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Solution

The fourth proportional to 212,924.20, 319,373.68 and 79,793.32 is: 119,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,924.20 : 319,373.68 = 79,793.32 : x
  2. Step 2: Convert to fraction form
    212,924.20/319,373.68 = 79,793.32/x
  3. Step 3: Cross multiply
    212,924.20x = 319,373.68 × 79,793.32
  4. Step 4: Simplify right side
    212,924.20x = 25,483,886,247.82
  5. Step 5: Solve for x
    x = 25,483,886,247.82/212,924.20
  6. Step 6: Final answer
    x = 119,685.25

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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.