Home / 109,313.78-150,836.37-61,564.10

Finding the Fourth Proportional to 109,313.78, 150,836.37 and 61,564.10

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Solution

The fourth proportional to 109,313.78, 150,836.37 and 61,564.10 is: 84,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,313.78 : 150,836.37 = 61,564.10 : x
  2. Step 2: Convert to fraction form
    109,313.78/150,836.37 = 61,564.10/x
  3. Step 3: Cross multiply
    109,313.78x = 150,836.37 × 61,564.10
  4. Step 4: Simplify right side
    109,313.78x = 9,286,105,366.32
  5. Step 5: Solve for x
    x = 9,286,105,366.32/109,313.78
  6. Step 6: Final answer
    x = 84,949.08

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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.