Home / 152,831.74-228,949.37-100,081.30

Finding the Fourth Proportional to 152,831.74, 228,949.37 and 100,081.30

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Solution

The fourth proportional to 152,831.74, 228,949.37 and 100,081.30 is: 149,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,831.74 : 228,949.37 = 100,081.30 : x
  2. Step 2: Convert to fraction form
    152,831.74/228,949.37 = 100,081.30/x
  3. Step 3: Cross multiply
    152,831.74x = 228,949.37 × 100,081.30
  4. Step 4: Simplify right side
    152,831.74x = 22,913,549,439.03
  5. Step 5: Solve for x
    x = 22,913,549,439.03/152,831.74
  6. Step 6: Final answer
    x = 149,926.65

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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.