Home / 200,304.72-276,421.20-109,661.52

Finding the Fourth Proportional to 200,304.72, 276,421.20 and 109,661.52

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Solution

The fourth proportional to 200,304.72, 276,421.20 and 109,661.52 is: 151,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,304.72 : 276,421.20 = 109,661.52 : x
  2. Step 2: Convert to fraction form
    200,304.72/276,421.20 = 109,661.52/x
  3. Step 3: Cross multiply
    200,304.72x = 276,421.20 × 109,661.52
  4. Step 4: Simplify right side
    200,304.72x = 30,312,768,952.22
  5. Step 5: Solve for x
    x = 30,312,768,952.22/200,304.72
  6. Step 6: Final answer
    x = 151,333.27

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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.