Home / 135,390.56-203,085.29-55,465.63

Finding the Fourth Proportional to 135,390.56, 203,085.29 and 55,465.63

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Solution

The fourth proportional to 135,390.56, 203,085.29 and 55,465.63 is: 83,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,390.56 : 203,085.29 = 55,465.63 : x
  2. Step 2: Convert to fraction form
    135,390.56/203,085.29 = 55,465.63/x
  3. Step 3: Cross multiply
    135,390.56x = 203,085.29 × 55,465.63
  4. Step 4: Simplify right side
    135,390.56x = 11,264,253,184.53
  5. Step 5: Solve for x
    x = 11,264,253,184.53/135,390.56
  6. Step 6: Final answer
    x = 83,198.22

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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.