Home / 101,004.36-139,385.97-55,683.11

Finding the Fourth Proportional to 101,004.36, 139,385.97 and 55,683.11

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Solution

The fourth proportional to 101,004.36, 139,385.97 and 55,683.11 is: 76,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,004.36 : 139,385.97 = 55,683.11 : x
  2. Step 2: Convert to fraction form
    101,004.36/139,385.97 = 55,683.11/x
  3. Step 3: Cross multiply
    101,004.36x = 139,385.97 × 55,683.11
  4. Step 4: Simplify right side
    101,004.36x = 7,761,443,603.04
  5. Step 5: Solve for x
    x = 7,761,443,603.04/101,004.36
  6. Step 6: Final answer
    x = 76,842.66

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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.