Home / 199,937.32-275,943.78-115,048.68

Finding the Fourth Proportional to 199,937.32, 275,943.78 and 115,048.68

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Solution

The fourth proportional to 199,937.32, 275,943.78 and 115,048.68 is: 158,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,937.32 : 275,943.78 = 115,048.68 : x
  2. Step 2: Convert to fraction form
    199,937.32/275,943.78 = 115,048.68/x
  3. Step 3: Cross multiply
    199,937.32x = 275,943.78 × 115,048.68
  4. Step 4: Simplify right side
    199,937.32x = 31,746,967,643.21
  5. Step 5: Solve for x
    x = 31,746,967,643.21/199,937.32
  6. Step 6: Final answer
    x = 158,784.60

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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.