Home / 112,144.19-154,757.03-61,157.31

Finding the Fourth Proportional to 112,144.19, 154,757.03 and 61,157.31

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Solution

The fourth proportional to 112,144.19, 154,757.03 and 61,157.31 is: 84,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,144.19 : 154,757.03 = 61,157.31 : x
  2. Step 2: Convert to fraction form
    112,144.19/154,757.03 = 61,157.31/x
  3. Step 3: Cross multiply
    112,144.19x = 154,757.03 × 61,157.31
  4. Step 4: Simplify right side
    112,144.19x = 9,464,523,352.60
  5. Step 5: Solve for x
    x = 9,464,523,352.60/112,144.19
  6. Step 6: Final answer
    x = 84,396.02

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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.