Home / 101,252.23-139,729.15-55,931.41

Finding the Fourth Proportional to 101,252.23, 139,729.15 and 55,931.41

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Solution

The fourth proportional to 101,252.23, 139,729.15 and 55,931.41 is: 77,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,252.23 : 139,729.15 = 55,931.41 : x
  2. Step 2: Convert to fraction form
    101,252.23/139,729.15 = 55,931.41/x
  3. Step 3: Cross multiply
    101,252.23x = 139,729.15 × 55,931.41
  4. Step 4: Simplify right side
    101,252.23x = 7,815,248,622.18
  5. Step 5: Solve for x
    x = 7,815,248,622.18/101,252.23
  6. Step 6: Final answer
    x = 77,185.94

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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.