Home / 106,452.36-146,732.91-77,726.48

Finding the Fourth Proportional to 106,452.36, 146,732.91 and 77,726.48

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Solution

The fourth proportional to 106,452.36, 146,732.91 and 77,726.48 is: 107,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,452.36 : 146,732.91 = 77,726.48 : x
  2. Step 2: Convert to fraction form
    106,452.36/146,732.91 = 77,726.48/x
  3. Step 3: Cross multiply
    106,452.36x = 146,732.91 × 77,726.48
  4. Step 4: Simplify right side
    106,452.36x = 11,405,031,860.79
  5. Step 5: Solve for x
    x = 11,405,031,860.79/106,452.36
  6. Step 6: Final answer
    x = 107,137.43

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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.