Home / 94,112.04-140,831.22-81,505.48

Finding the Fourth Proportional to 94,112.04, 140,831.22 and 81,505.48

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Solution

The fourth proportional to 94,112.04, 140,831.22 and 81,505.48 is: 121,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,112.04 : 140,831.22 = 81,505.48 : x
  2. Step 2: Convert to fraction form
    94,112.04/140,831.22 = 81,505.48/x
  3. Step 3: Cross multiply
    94,112.04x = 140,831.22 × 81,505.48
  4. Step 4: Simplify right side
    94,112.04x = 11,478,516,185.09
  5. Step 5: Solve for x
    x = 11,478,516,185.09/94,112.04
  6. Step 6: Final answer
    x = 121,966.50

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1.5x scale

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.