Home / 212,769.38-319,155.10-63,012.51

Finding the Fourth Proportional to 212,769.38, 319,155.10 and 63,012.51

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Solution

The fourth proportional to 212,769.38, 319,155.10 and 63,012.51 is: 94,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,769.38 : 319,155.10 = 63,012.51 : x
  2. Step 2: Convert to fraction form
    212,769.38/319,155.10 = 63,012.51/x
  3. Step 3: Cross multiply
    212,769.38x = 319,155.10 × 63,012.51
  4. Step 4: Simplify right side
    212,769.38x = 20,110,762,963.76
  5. Step 5: Solve for x
    x = 20,110,762,963.76/212,769.38
  6. Step 6: Final answer
    x = 94,519.06

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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.