Home / 189,831.50-261,972.95-104,954.03

Finding the Fourth Proportional to 189,831.50, 261,972.95 and 104,954.03

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Solution

The fourth proportional to 189,831.50, 261,972.95 and 104,954.03 is: 144,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,831.50 : 261,972.95 = 104,954.03 : x
  2. Step 2: Convert to fraction form
    189,831.50/261,972.95 = 104,954.03/x
  3. Step 3: Cross multiply
    189,831.50x = 261,972.95 × 104,954.03
  4. Step 4: Simplify right side
    189,831.50x = 27,495,116,853.49
  5. Step 5: Solve for x
    x = 27,495,116,853.49/189,831.50
  6. Step 6: Final answer
    x = 144,839.59

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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.