Home / 147,088.36-202,982.82-80,020.84

Finding the Fourth Proportional to 147,088.36, 202,982.82 and 80,020.84

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Solution

The fourth proportional to 147,088.36, 202,982.82 and 80,020.84 is: 110,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,088.36 : 202,982.82 = 80,020.84 : x
  2. Step 2: Convert to fraction form
    147,088.36/202,982.82 = 80,020.84/x
  3. Step 3: Cross multiply
    147,088.36x = 202,982.82 × 80,020.84
  4. Step 4: Simplify right side
    147,088.36x = 16,242,855,761.97
  5. Step 5: Solve for x
    x = 16,242,855,761.97/147,088.36
  6. Step 6: Final answer
    x = 110,429.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.