Home / 101,277.26-139,760.66-55,957.22

Finding the Fourth Proportional to 101,277.26, 139,760.66 and 55,957.22

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Solution

The fourth proportional to 101,277.26, 139,760.66 and 55,957.22 is: 77,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.26 : 139,760.66 = 55,957.22 : x
  2. Step 2: Convert to fraction form
    101,277.26/139,760.66 = 55,957.22/x
  3. Step 3: Cross multiply
    101,277.26x = 139,760.66 × 55,957.22
  4. Step 4: Simplify right side
    101,277.26x = 7,820,617,020.38
  5. Step 5: Solve for x
    x = 7,820,617,020.38/101,277.26
  6. Step 6: Final answer
    x = 77,219.88

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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.