Home / 101,004.06-139,386.57-55,683.70

Finding the Fourth Proportional to 101,004.06, 139,386.57 and 55,683.70

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Solution

The fourth proportional to 101,004.06, 139,386.57 and 55,683.70 is: 76,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,004.06 : 139,386.57 = 55,683.70 : x
  2. Step 2: Convert to fraction form
    101,004.06/139,386.57 = 55,683.70/x
  3. Step 3: Cross multiply
    101,004.06x = 139,386.57 × 55,683.70
  4. Step 4: Simplify right side
    101,004.06x = 7,761,560,487.90
  5. Step 5: Solve for x
    x = 7,761,560,487.90/101,004.06
  6. Step 6: Final answer
    x = 76,844.04

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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.