Home / 173,831.58-260,799.87-72,678.78

Finding the Fourth Proportional to 173,831.58, 260,799.87 and 72,678.78

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Solution

The fourth proportional to 173,831.58, 260,799.87 and 72,678.78 is: 109,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,831.58 : 260,799.87 = 72,678.78 : x
  2. Step 2: Convert to fraction form
    173,831.58/260,799.87 = 72,678.78/x
  3. Step 3: Cross multiply
    173,831.58x = 260,799.87 × 72,678.78
  4. Step 4: Simplify right side
    173,831.58x = 18,954,616,375.76
  5. Step 5: Solve for x
    x = 18,954,616,375.76/173,831.58
  6. Step 6: Final answer
    x = 109,040.12

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1.5x scale

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.