Home / 141,831.70-212,747.55-89,473.30

Finding the Fourth Proportional to 141,831.70, 212,747.55 and 89,473.30

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Solution

The fourth proportional to 141,831.70, 212,747.55 and 89,473.30 is: 134,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,831.70 : 212,747.55 = 89,473.30 : x
  2. Step 2: Convert to fraction form
    141,831.70/212,747.55 = 89,473.30/x
  3. Step 3: Cross multiply
    141,831.70x = 212,747.55 × 89,473.30
  4. Step 4: Simplify right side
    141,831.70x = 19,035,225,365.42
  5. Step 5: Solve for x
    x = 19,035,225,365.42/141,831.70
  6. Step 6: Final answer
    x = 134,209.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.