Home / 103,289.19-154,882.62-36,719.34

Finding the Fourth Proportional to 103,289.19, 154,882.62 and 36,719.34

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Solution

The fourth proportional to 103,289.19, 154,882.62 and 36,719.34 is: 55,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,289.19 : 154,882.62 = 36,719.34 : x
  2. Step 2: Convert to fraction form
    103,289.19/154,882.62 = 36,719.34/x
  3. Step 3: Cross multiply
    103,289.19x = 154,882.62 × 36,719.34
  4. Step 4: Simplify right side
    103,289.19x = 5,687,187,583.87
  5. Step 5: Solve for x
    x = 5,687,187,583.87/103,289.19
  6. Step 6: Final answer
    x = 55,060.82

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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.