Home / 119,831.94-165,366.77-66,119.22

Finding the Fourth Proportional to 119,831.94, 165,366.77 and 66,119.22

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Solution

The fourth proportional to 119,831.94, 165,366.77 and 66,119.22 is: 91,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,831.94 : 165,366.77 = 66,119.22 : x
  2. Step 2: Convert to fraction form
    119,831.94/165,366.77 = 66,119.22/x
  3. Step 3: Cross multiply
    119,831.94x = 165,366.77 × 66,119.22
  4. Step 4: Simplify right side
    119,831.94x = 10,933,921,515.72
  5. Step 5: Solve for x
    x = 10,933,921,515.72/119,831.94
  6. Step 6: Final answer
    x = 91,243.80

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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.