Home / 133,201.95-198,831.24-116,386.64

Finding the Fourth Proportional to 133,201.95, 198,831.24 and 116,386.64

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Solution

The fourth proportional to 133,201.95, 198,831.24 and 116,386.64 is: 173,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,201.95 : 198,831.24 = 116,386.64 : x
  2. Step 2: Convert to fraction form
    133,201.95/198,831.24 = 116,386.64/x
  3. Step 3: Cross multiply
    133,201.95x = 198,831.24 × 116,386.64
  4. Step 4: Simplify right side
    133,201.95x = 23,141,300,447.71
  5. Step 5: Solve for x
    x = 23,141,300,447.71/133,201.95
  6. Step 6: Final answer
    x = 173,730.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.