Home / 109,388.41-150,955.11-60,989.76

Finding the Fourth Proportional to 109,388.41, 150,955.11 and 60,989.76

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Solution

The fourth proportional to 109,388.41, 150,955.11 and 60,989.76 is: 84,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,388.41 : 150,955.11 = 60,989.76 : x
  2. Step 2: Convert to fraction form
    109,388.41/150,955.11 = 60,989.76/x
  3. Step 3: Cross multiply
    109,388.41x = 150,955.11 × 60,989.76
  4. Step 4: Simplify right side
    109,388.41x = 9,206,715,929.67
  5. Step 5: Solve for x
    x = 9,206,715,929.67/109,388.41
  6. Step 6: Final answer
    x = 84,165.37

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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.