Home / 200,011.49-276,018.81-135,500.46

Finding the Fourth Proportional to 200,011.49, 276,018.81 and 135,500.46

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Solution

The fourth proportional to 200,011.49, 276,018.81 and 135,500.46 is: 186,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,011.49 : 276,018.81 = 135,500.46 : x
  2. Step 2: Convert to fraction form
    200,011.49/276,018.81 = 135,500.46/x
  3. Step 3: Cross multiply
    200,011.49x = 276,018.81 × 135,500.46
  4. Step 4: Simplify right side
    200,011.49x = 37,400,676,876.35
  5. Step 5: Solve for x
    x = 37,400,676,876.35/200,011.49
  6. Step 6: Final answer
    x = 186,992.64

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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.