Home / 135,454.95-203,108.40-107,554.23

Finding the Fourth Proportional to 135,454.95, 203,108.40 and 107,554.23

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Solution

The fourth proportional to 135,454.95, 203,108.40 and 107,554.23 is: 161,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,454.95 : 203,108.40 = 107,554.23 : x
  2. Step 2: Convert to fraction form
    135,454.95/203,108.40 = 107,554.23/x
  3. Step 3: Cross multiply
    135,454.95x = 203,108.40 × 107,554.23
  4. Step 4: Simplify right side
    135,454.95x = 21,845,167,568.53
  5. Step 5: Solve for x
    x = 21,845,167,568.53/135,454.95
  6. Step 6: Final answer
    x = 161,272.57

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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.