Home / 135,526.83-187,058.24-90,206.61

Finding the Fourth Proportional to 135,526.83, 187,058.24 and 90,206.61

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Solution

The fourth proportional to 135,526.83, 187,058.24 and 90,206.61 is: 124,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,526.83 : 187,058.24 = 90,206.61 : x
  2. Step 2: Convert to fraction form
    135,526.83/187,058.24 = 90,206.61/x
  3. Step 3: Cross multiply
    135,526.83x = 187,058.24 × 90,206.61
  4. Step 4: Simplify right side
    135,526.83x = 16,873,889,251.93
  5. Step 5: Solve for x
    x = 16,873,889,251.93/135,526.83
  6. Step 6: Final answer
    x = 124,505.89

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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.