Home / 101,446.59-139,993.25-56,121.93

Finding the Fourth Proportional to 101,446.59, 139,993.25 and 56,121.93

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Solution

The fourth proportional to 101,446.59, 139,993.25 and 56,121.93 is: 77,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,446.59 : 139,993.25 = 56,121.93 : x
  2. Step 2: Convert to fraction form
    101,446.59/139,993.25 = 56,121.93/x
  3. Step 3: Cross multiply
    101,446.59x = 139,993.25 × 56,121.93
  4. Step 4: Simplify right side
    101,446.59x = 7,856,691,096.36
  5. Step 5: Solve for x
    x = 7,856,691,096.36/101,446.59
  6. Step 6: Final answer
    x = 77,446.58

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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.