Home / 200,199.64-276,502.26-136,426.72

Finding the Fourth Proportional to 200,199.64, 276,502.26 and 136,426.72

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Solution

The fourth proportional to 200,199.64, 276,502.26 and 136,426.72 is: 188,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,199.64 : 276,502.26 = 136,426.72 : x
  2. Step 2: Convert to fraction form
    200,199.64/276,502.26 = 136,426.72/x
  3. Step 3: Cross multiply
    200,199.64x = 276,502.26 × 136,426.72
  4. Step 4: Simplify right side
    200,199.64x = 37,722,296,404.39
  5. Step 5: Solve for x
    x = 37,722,296,404.39/200,199.64
  6. Step 6: Final answer
    x = 188,423.40

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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.