Home / 141,831.24-195,723.26-78,169.02

Finding the Fourth Proportional to 141,831.24, 195,723.26 and 78,169.02

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Solution

The fourth proportional to 141,831.24, 195,723.26 and 78,169.02 is: 107,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,831.24 : 195,723.26 = 78,169.02 : x
  2. Step 2: Convert to fraction form
    141,831.24/195,723.26 = 78,169.02/x
  3. Step 3: Cross multiply
    141,831.24x = 195,723.26 × 78,169.02
  4. Step 4: Simplify right side
    141,831.24x = 15,299,495,425.41
  5. Step 5: Solve for x
    x = 15,299,495,425.41/141,831.24
  6. Step 6: Final answer
    x = 107,871.13

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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.