Home / 128,227.36-192,333.84-34,726.24

Finding the Fourth Proportional to 128,227.36, 192,333.84 and 34,726.24

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Solution

The fourth proportional to 128,227.36, 192,333.84 and 34,726.24 is: 52,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,227.36 : 192,333.84 = 34,726.24 : x
  2. Step 2: Convert to fraction form
    128,227.36/192,333.84 = 34,726.24/x
  3. Step 3: Cross multiply
    128,227.36x = 192,333.84 × 34,726.24
  4. Step 4: Simplify right side
    128,227.36x = 6,679,031,087.96
  5. Step 5: Solve for x
    x = 6,679,031,087.96/128,227.36
  6. Step 6: Final answer
    x = 52,087.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.