Home / 112,224.78-154,869.30-61,236.36

Finding the Fourth Proportional to 112,224.78, 154,869.30 and 61,236.36

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Solution

The fourth proportional to 112,224.78, 154,869.30 and 61,236.36 is: 84,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,224.78 : 154,869.30 = 61,236.36 : x
  2. Step 2: Convert to fraction form
    112,224.78/154,869.30 = 61,236.36/x
  3. Step 3: Cross multiply
    112,224.78x = 154,869.30 × 61,236.36
  4. Step 4: Simplify right side
    112,224.78x = 9,483,632,207.75
  5. Step 5: Solve for x
    x = 9,483,632,207.75/112,224.78
  6. Step 6: Final answer
    x = 84,505.69

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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.