Home / 102,851.51-154,288.19-27,972.87

Finding the Fourth Proportional to 102,851.51, 154,288.19 and 27,972.87

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Solution

The fourth proportional to 102,851.51, 154,288.19 and 27,972.87 is: 41,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,851.51 : 154,288.19 = 27,972.87 : x
  2. Step 2: Convert to fraction form
    102,851.51/154,288.19 = 27,972.87/x
  3. Step 3: Cross multiply
    102,851.51x = 154,288.19 × 27,972.87
  4. Step 4: Simplify right side
    102,851.51x = 4,315,883,341.54
  5. Step 5: Solve for x
    x = 4,315,883,341.54/102,851.51
  6. Step 6: Final answer
    x = 41,962.28

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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.