Home / 200,207.50-276,285.61-108,326.50

Finding the Fourth Proportional to 200,207.50, 276,285.61 and 108,326.50

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Solution

The fourth proportional to 200,207.50, 276,285.61 and 108,326.50 is: 149,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,207.50 : 276,285.61 = 108,326.50 : x
  2. Step 2: Convert to fraction form
    200,207.50/276,285.61 = 108,326.50/x
  3. Step 3: Cross multiply
    200,207.50x = 276,285.61 × 108,326.50
  4. Step 4: Simplify right side
    200,207.50x = 29,929,054,130.47
  5. Step 5: Solve for x
    x = 29,929,054,130.47/200,207.50
  6. Step 6: Final answer
    x = 149,490.18

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1.5x scale

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.