Home / 212,869.92-319,351.86-63,122.16

Finding the Fourth Proportional to 212,869.92, 319,351.86 and 63,122.16

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Solution

The fourth proportional to 212,869.92, 319,351.86 and 63,122.16 is: 94,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869.92 : 319,351.86 = 63,122.16 : x
  2. Step 2: Convert to fraction form
    212,869.92/319,351.86 = 63,122.16/x
  3. Step 3: Cross multiply
    212,869.92x = 319,351.86 × 63,122.16
  4. Step 4: Simplify right side
    212,869.92x = 20,158,179,203.22
  5. Step 5: Solve for x
    x = 20,158,179,203.22/212,869.92
  6. Step 6: Final answer
    x = 94,697.17

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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.