Home / 157,504.20-236,256.30-68,930.70

Finding the Fourth Proportional to 157,504.20, 236,256.30 and 68,930.70

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Solution

The fourth proportional to 157,504.20, 236,256.30 and 68,930.70 is: 103,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.20 : 236,256.30 = 68,930.70 : x
  2. Step 2: Convert to fraction form
    157,504.20/236,256.30 = 68,930.70/x
  3. Step 3: Cross multiply
    157,504.20x = 236,256.30 × 68,930.70
  4. Step 4: Simplify right side
    157,504.20x = 16,285,312,138.41
  5. Step 5: Solve for x
    x = 16,285,312,138.41/157,504.20
  6. Step 6: Final answer
    x = 103,396.05

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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.