Home / 245,099.85-338,230.43-136,203.83

Finding the Fourth Proportional to 245,099.85, 338,230.43 and 136,203.83

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Solution

The fourth proportional to 245,099.85, 338,230.43 and 136,203.83 is: 187,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,099.85 : 338,230.43 = 136,203.83 : x
  2. Step 2: Convert to fraction form
    245,099.85/338,230.43 = 136,203.83/x
  3. Step 3: Cross multiply
    245,099.85x = 338,230.43 × 136,203.83
  4. Step 4: Simplify right side
    245,099.85x = 46,068,278,127.14
  5. Step 5: Solve for x
    x = 46,068,278,127.14/245,099.85
  6. Step 6: Final answer
    x = 187,957.18

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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.