Home / 152,330.78-228,542.88-68,161.80

Finding the Fourth Proportional to 152,330.78, 228,542.88 and 68,161.80

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Solution

The fourth proportional to 152,330.78, 228,542.88 and 68,161.80 is: 102,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,330.78 : 228,542.88 = 68,161.80 : x
  2. Step 2: Convert to fraction form
    152,330.78/228,542.88 = 68,161.80/x
  3. Step 3: Cross multiply
    152,330.78x = 228,542.88 × 68,161.80
  4. Step 4: Simplify right side
    152,330.78x = 15,577,894,077.98
  5. Step 5: Solve for x
    x = 15,577,894,077.98/152,330.78
  6. Step 6: Final answer
    x = 102,263.60

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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.