Home / 134,942.31-202,378.10-40,146.93

Finding the Fourth Proportional to 134,942.31, 202,378.10 and 40,146.93

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Solution

The fourth proportional to 134,942.31, 202,378.10 and 40,146.93 is: 60,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,942.31 : 202,378.10 = 40,146.93 : x
  2. Step 2: Convert to fraction form
    134,942.31/202,378.10 = 40,146.93/x
  3. Step 3: Cross multiply
    134,942.31x = 202,378.10 × 40,146.93
  4. Step 4: Simplify right side
    134,942.31x = 8,124,859,213.50
  5. Step 5: Solve for x
    x = 8,124,859,213.50/134,942.31
  6. Step 6: Final answer
    x = 60,209.87

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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.