Home / 102,932.64-154,383.17-28,058.81

Finding the Fourth Proportional to 102,932.64, 154,383.17 and 28,058.81

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Solution

The fourth proportional to 102,932.64, 154,383.17 and 28,058.81 is: 42,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,932.64 : 154,383.17 = 28,058.81 : x
  2. Step 2: Convert to fraction form
    102,932.64/154,383.17 = 28,058.81/x
  3. Step 3: Cross multiply
    102,932.64x = 154,383.17 × 28,058.81
  4. Step 4: Simplify right side
    102,932.64x = 4,331,807,122.02
  5. Step 5: Solve for x
    x = 4,331,807,122.02/102,932.64
  6. Step 6: Final answer
    x = 42,083.90

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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.