Home / 92,004.81-137,831.23-77,107.22

Finding the Fourth Proportional to 92,004.81, 137,831.23 and 77,107.22

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Solution

The fourth proportional to 92,004.81, 137,831.23 and 77,107.22 is: 115,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.81 : 137,831.23 = 77,107.22 : x
  2. Step 2: Convert to fraction form
    92,004.81/137,831.23 = 77,107.22/x
  3. Step 3: Cross multiply
    92,004.81x = 137,831.23 × 77,107.22
  4. Step 4: Simplify right side
    92,004.81x = 10,627,782,974.48
  5. Step 5: Solve for x
    x = 10,627,782,974.48/92,004.81
  6. Step 6: Final answer
    x = 115,513.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.