Home / 101,064.22-139,472.76-55,747.42

Finding the Fourth Proportional to 101,064.22, 139,472.76 and 55,747.42

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Solution

The fourth proportional to 101,064.22, 139,472.76 and 55,747.42 is: 76,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,064.22 : 139,472.76 = 55,747.42 : x
  2. Step 2: Convert to fraction form
    101,064.22/139,472.76 = 55,747.42/x
  3. Step 3: Cross multiply
    101,064.22x = 139,472.76 × 55,747.42
  4. Step 4: Simplify right side
    101,064.22x = 7,775,246,530.28
  5. Step 5: Solve for x
    x = 7,775,246,530.28/101,064.22
  6. Step 6: Final answer
    x = 76,933.72

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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.