Home / 212,747.32-319,015.68-124,023.16

Finding the Fourth Proportional to 212,747.32, 319,015.68 and 124,023.16

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Solution

The fourth proportional to 212,747.32, 319,015.68 and 124,023.16 is: 185,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,747.32 : 319,015.68 = 124,023.16 : x
  2. Step 2: Convert to fraction form
    212,747.32/319,015.68 = 124,023.16/x
  3. Step 3: Cross multiply
    212,747.32x = 319,015.68 × 124,023.16
  4. Step 4: Simplify right side
    212,747.32x = 39,565,332,723.15
  5. Step 5: Solve for x
    x = 39,565,332,723.15/212,747.32
  6. Step 6: Final answer
    x = 185,973.35

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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.