Home / 101,352.27-139,865.22-56,031.41

Finding the Fourth Proportional to 101,352.27, 139,865.22 and 56,031.41

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Solution

The fourth proportional to 101,352.27, 139,865.22 and 56,031.41 is: 77,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,352.27 : 139,865.22 = 56,031.41 : x
  2. Step 2: Convert to fraction form
    101,352.27/139,865.22 = 56,031.41/x
  3. Step 3: Cross multiply
    101,352.27x = 139,865.22 × 56,031.41
  4. Step 4: Simplify right side
    101,352.27x = 7,836,844,787.23
  5. Step 5: Solve for x
    x = 7,836,844,787.23/101,352.27
  6. Step 6: Final answer
    x = 77,322.83

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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.