Home / 170,750.68-235,635.90-99,144.28

Finding the Fourth Proportional to 170,750.68, 235,635.90 and 99,144.28

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Solution

The fourth proportional to 170,750.68, 235,635.90 and 99,144.28 is: 136,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,750.68 : 235,635.90 = 99,144.28 : x
  2. Step 2: Convert to fraction form
    170,750.68/235,635.90 = 99,144.28/x
  3. Step 3: Cross multiply
    170,750.68x = 235,635.90 × 99,144.28
  4. Step 4: Simplify right side
    170,750.68x = 23,361,951,647.65
  5. Step 5: Solve for x
    x = 23,361,951,647.65/170,750.68
  6. Step 6: Final answer
    x = 136,819.08

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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.