Home / 199,740.64-275,639.76-109,095.52

Finding the Fourth Proportional to 199,740.64, 275,639.76 and 109,095.52

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Solution

The fourth proportional to 199,740.64, 275,639.76 and 109,095.52 is: 150,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,740.64 : 275,639.76 = 109,095.52 : x
  2. Step 2: Convert to fraction form
    199,740.64/275,639.76 = 109,095.52/x
  3. Step 3: Cross multiply
    199,740.64x = 275,639.76 × 109,095.52
  4. Step 4: Simplify right side
    199,740.64x = 30,071,062,949.88
  5. Step 5: Solve for x
    x = 30,071,062,949.88/199,740.64
  6. Step 6: Final answer
    x = 150,550.55

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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.