Home / 147,822.12-203,917.04-93,354.56

Finding the Fourth Proportional to 147,822.12, 203,917.04 and 93,354.56

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Solution

The fourth proportional to 147,822.12, 203,917.04 and 93,354.56 is: 128,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.12 : 203,917.04 = 93,354.56 : x
  2. Step 2: Convert to fraction form
    147,822.12/203,917.04 = 93,354.56/x
  3. Step 3: Cross multiply
    147,822.12x = 203,917.04 × 93,354.56
  4. Step 4: Simplify right side
    147,822.12x = 19,036,585,545.70
  5. Step 5: Solve for x
    x = 19,036,585,545.70/147,822.12
  6. Step 6: Final answer
    x = 128,780.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.