Home / 133,206.21-199,809.33-54,326.61

Finding the Fourth Proportional to 133,206.21, 199,809.33 and 54,326.61

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Solution

The fourth proportional to 133,206.21, 199,809.33 and 54,326.61 is: 81,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,206.21 : 199,809.33 = 54,326.61 : x
  2. Step 2: Convert to fraction form
    133,206.21/199,809.33 = 54,326.61/x
  3. Step 3: Cross multiply
    133,206.21x = 199,809.33 × 54,326.61
  4. Step 4: Simplify right side
    133,206.21x = 10,854,963,545.27
  5. Step 5: Solve for x
    x = 10,854,963,545.27/133,206.21
  6. Step 6: Final answer
    x = 81,489.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.