Home / 200,322.90-276,435.10-109,661.50

Finding the Fourth Proportional to 200,322.90, 276,435.10 and 109,661.50

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Solution

The fourth proportional to 200,322.90, 276,435.10 and 109,661.50 is: 151,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,322.90 : 276,435.10 = 109,661.50 : x
  2. Step 2: Convert to fraction form
    200,322.90/276,435.10 = 109,661.50/x
  3. Step 3: Cross multiply
    200,322.90x = 276,435.10 × 109,661.50
  4. Step 4: Simplify right side
    200,322.90x = 30,314,287,718.65
  5. Step 5: Solve for x
    x = 30,314,287,718.65/200,322.90
  6. Step 6: Final answer
    x = 151,327.12

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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.