Home / 135,985.94-203,908.51-61,041.55

Finding the Fourth Proportional to 135,985.94, 203,908.51 and 61,041.55

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Solution

The fourth proportional to 135,985.94, 203,908.51 and 61,041.55 is: 91,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,985.94 : 203,908.51 = 61,041.55 : x
  2. Step 2: Convert to fraction form
    135,985.94/203,908.51 = 61,041.55/x
  3. Step 3: Cross multiply
    135,985.94x = 203,908.51 × 61,041.55
  4. Step 4: Simplify right side
    135,985.94x = 12,446,891,629.13
  5. Step 5: Solve for x
    x = 12,446,891,629.13/135,985.94
  6. Step 6: Final answer
    x = 91,530.73

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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.