Home / 147,769.11-203,929.25-84,127.41

Finding the Fourth Proportional to 147,769.11, 203,929.25 and 84,127.41

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Solution

The fourth proportional to 147,769.11, 203,929.25 and 84,127.41 is: 116,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,769.11 : 203,929.25 = 84,127.41 : x
  2. Step 2: Convert to fraction form
    147,769.11/203,929.25 = 84,127.41/x
  3. Step 3: Cross multiply
    147,769.11x = 203,929.25 × 84,127.41
  4. Step 4: Simplify right side
    147,769.11x = 17,156,039,205.11
  5. Step 5: Solve for x
    x = 17,156,039,205.11/147,769.11
  6. Step 6: Final answer
    x = 116,100.31

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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.