Home / 112,175.28-154,800.36-61,188.48

Finding the Fourth Proportional to 112,175.28, 154,800.36 and 61,188.48

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Solution

The fourth proportional to 112,175.28, 154,800.36 and 61,188.48 is: 84,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.28 : 154,800.36 = 61,188.48 : x
  2. Step 2: Convert to fraction form
    112,175.28/154,800.36 = 61,188.48/x
  3. Step 3: Cross multiply
    112,175.28x = 154,800.36 × 61,188.48
  4. Step 4: Simplify right side
    112,175.28x = 9,471,998,731.85
  5. Step 5: Solve for x
    x = 9,471,998,731.85/112,175.28
  6. Step 6: Final answer
    x = 84,439.27

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1.5x scale

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.