Home / 91,416.60-125,796.24-80,831.52

Finding the Fourth Proportional to 91,416.60, 125,796.24 and 80,831.52

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Solution

The fourth proportional to 91,416.60, 125,796.24 and 80,831.52 is: 111,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,416.60 : 125,796.24 = 80,831.52 : x
  2. Step 2: Convert to fraction form
    91,416.60/125,796.24 = 80,831.52/x
  3. Step 3: Cross multiply
    91,416.60x = 125,796.24 × 80,831.52
  4. Step 4: Simplify right side
    91,416.60x = 10,168,301,289.48
  5. Step 5: Solve for x
    x = 10,168,301,289.48/91,416.60
  6. Step 6: Final answer
    x = 111,230.36

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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.