Home / 135,160.84-202,239.06-85,006.72

Finding the Fourth Proportional to 135,160.84, 202,239.06 and 85,006.72

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Solution

The fourth proportional to 135,160.84, 202,239.06 and 85,006.72 is: 127,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,160.84 : 202,239.06 = 85,006.72 : x
  2. Step 2: Convert to fraction form
    135,160.84/202,239.06 = 85,006.72/x
  3. Step 3: Cross multiply
    135,160.84x = 202,239.06 × 85,006.72
  4. Step 4: Simplify right side
    135,160.84x = 17,191,679,146.48
  5. Step 5: Solve for x
    x = 17,191,679,146.48/135,160.84
  6. Step 6: Final answer
    x = 127,194.23

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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.