Home / 135,803.47-203,726.65-41,021.88

Finding the Fourth Proportional to 135,803.47, 203,726.65 and 41,021.88

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Solution

The fourth proportional to 135,803.47, 203,726.65 and 41,021.88 is: 61,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,803.47 : 203,726.65 = 41,021.88 : x
  2. Step 2: Convert to fraction form
    135,803.47/203,726.65 = 41,021.88/x
  3. Step 3: Cross multiply
    135,803.47x = 203,726.65 × 41,021.88
  4. Step 4: Simplify right side
    135,803.47x = 8,357,251,062.20
  5. Step 5: Solve for x
    x = 8,357,251,062.20/135,803.47
  6. Step 6: Final answer
    x = 61,539.30

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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.