Home / 212,948.02-319,633.38-113,109.04

Finding the Fourth Proportional to 212,948.02, 319,633.38 and 113,109.04

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Solution

The fourth proportional to 212,948.02, 319,633.38 and 113,109.04 is: 169,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,948.02 : 319,633.38 = 113,109.04 : x
  2. Step 2: Convert to fraction form
    212,948.02/319,633.38 = 113,109.04/x
  3. Step 3: Cross multiply
    212,948.02x = 319,633.38 × 113,109.04
  4. Step 4: Simplify right side
    212,948.02x = 36,153,424,763.76
  5. Step 5: Solve for x
    x = 36,153,424,763.76/212,948.02
  6. Step 6: Final answer
    x = 169,775.82

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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.