Home / 212,765.08-319,148.67-63,008.20

Finding the Fourth Proportional to 212,765.08, 319,148.67 and 63,008.20

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Solution

The fourth proportional to 212,765.08, 319,148.67 and 63,008.20 is: 94,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,765.08 : 319,148.67 = 63,008.20 : x
  2. Step 2: Convert to fraction form
    212,765.08/319,148.67 = 63,008.20/x
  3. Step 3: Cross multiply
    212,765.08x = 319,148.67 × 63,008.20
  4. Step 4: Simplify right side
    212,765.08x = 20,108,983,229.09
  5. Step 5: Solve for x
    x = 20,108,983,229.09/212,765.08
  6. Step 6: Final answer
    x = 94,512.61

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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.