Home / 212,748.06-319,121.10-62,989.20

Finding the Fourth Proportional to 212,748.06, 319,121.10 and 62,989.20

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Solution

The fourth proportional to 212,748.06, 319,121.10 and 62,989.20 is: 94,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,748.06 : 319,121.10 = 62,989.20 : x
  2. Step 2: Convert to fraction form
    212,748.06/319,121.10 = 62,989.20/x
  3. Step 3: Cross multiply
    212,748.06x = 319,121.10 × 62,989.20
  4. Step 4: Simplify right side
    212,748.06x = 20,101,182,792.12
  5. Step 5: Solve for x
    x = 20,101,182,792.12/212,748.06
  6. Step 6: Final answer
    x = 94,483.51

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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.