Home / 109,144.37-150,617.79-61,397.70

Finding the Fourth Proportional to 109,144.37, 150,617.79 and 61,397.70

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Solution

The fourth proportional to 109,144.37, 150,617.79 and 61,397.70 is: 84,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,144.37 : 150,617.79 = 61,397.70 : x
  2. Step 2: Convert to fraction form
    109,144.37/150,617.79 = 61,397.70/x
  3. Step 3: Cross multiply
    109,144.37x = 150,617.79 × 61,397.70
  4. Step 4: Simplify right side
    109,144.37x = 9,247,585,885.08
  5. Step 5: Solve for x
    x = 9,247,585,885.08/109,144.37
  6. Step 6: Final answer
    x = 84,728.02

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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.