Home / 134,998.70-202,498.05-72,013.10

Finding the Fourth Proportional to 134,998.70, 202,498.05 and 72,013.10

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Solution

The fourth proportional to 134,998.70, 202,498.05 and 72,013.10 is: 108,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,998.70 : 202,498.05 = 72,013.10 : x
  2. Step 2: Convert to fraction form
    134,998.70/202,498.05 = 72,013.10/x
  3. Step 3: Cross multiply
    134,998.70x = 202,498.05 × 72,013.10
  4. Step 4: Simplify right side
    134,998.70x = 14,582,512,324.46
  5. Step 5: Solve for x
    x = 14,582,512,324.46/134,998.70
  6. Step 6: Final answer
    x = 108,019.65

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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.