Home / 134,433-185,517.54-74,831.08

Finding the Fourth Proportional to 134,433, 185,517.54 and 74,831.08

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Solution

The fourth proportional to 134,433, 185,517.54 and 74,831.08 is: 103,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,433 : 185,517.54 = 74,831.08 : x
  2. Step 2: Convert to fraction form
    134,433/185,517.54 = 74,831.08/x
  3. Step 3: Cross multiply
    134,433x = 185,517.54 × 74,831.08
  4. Step 4: Simplify right side
    134,433x = 13,882,477,877.14
  5. Step 5: Solve for x
    x = 13,882,477,877.14/134,433
  6. Step 6: Final answer
    x = 103,266.89

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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.