Home / 109,131.66-150,600.20-61,384.95

Finding the Fourth Proportional to 109,131.66, 150,600.20 and 61,384.95

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Solution

The fourth proportional to 109,131.66, 150,600.20 and 61,384.95 is: 84,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,131.66 : 150,600.20 = 61,384.95 : x
  2. Step 2: Convert to fraction form
    109,131.66/150,600.20 = 61,384.95/x
  3. Step 3: Cross multiply
    109,131.66x = 150,600.20 × 61,384.95
  4. Step 4: Simplify right side
    109,131.66x = 9,244,585,440.07
  5. Step 5: Solve for x
    x = 9,244,585,440.07/109,131.66
  6. Step 6: Final answer
    x = 84,710.39

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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.