Home / 200,307.40-276,427.49-109,661.85

Finding the Fourth Proportional to 200,307.40, 276,427.49 and 109,661.85

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Solution

The fourth proportional to 200,307.40, 276,427.49 and 109,661.85 is: 151,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,307.40 : 276,427.49 = 109,661.85 : x
  2. Step 2: Convert to fraction form
    200,307.40/276,427.49 = 109,661.85/x
  3. Step 3: Cross multiply
    200,307.40x = 276,427.49 × 109,661.85
  4. Step 4: Simplify right side
    200,307.40x = 30,313,549,395.95
  5. Step 5: Solve for x
    x = 30,313,549,395.95/200,307.40
  6. Step 6: Final answer
    x = 151,335.15

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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.