Home / 222,440.24-306,971.52-121,831.76

Finding the Fourth Proportional to 222,440.24, 306,971.52 and 121,831.76

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Solution

The fourth proportional to 222,440.24, 306,971.52 and 121,831.76 is: 168,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,440.24 : 306,971.52 = 121,831.76 : x
  2. Step 2: Convert to fraction form
    222,440.24/306,971.52 = 121,831.76/x
  3. Step 3: Cross multiply
    222,440.24x = 306,971.52 × 121,831.76
  4. Step 4: Simplify right side
    222,440.24x = 37,398,880,551.48
  5. Step 5: Solve for x
    x = 37,398,880,551.48/222,440.24
  6. Step 6: Final answer
    x = 168,130.01

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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.