Home / 134,935.70-202,403.55-85,072.10

Finding the Fourth Proportional to 134,935.70, 202,403.55 and 85,072.10

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Solution

The fourth proportional to 134,935.70, 202,403.55 and 85,072.10 is: 127,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,935.70 : 202,403.55 = 85,072.10 : x
  2. Step 2: Convert to fraction form
    134,935.70/202,403.55 = 85,072.10/x
  3. Step 3: Cross multiply
    134,935.70x = 202,403.55 × 85,072.10
  4. Step 4: Simplify right side
    134,935.70x = 17,218,895,045.96
  5. Step 5: Solve for x
    x = 17,218,895,045.96/134,935.70
  6. Step 6: Final answer
    x = 127,608.15

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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.