Home / 156,451.43-234,599.51-49,821.49

Finding the Fourth Proportional to 156,451.43, 234,599.51 and 49,821.49

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Solution

The fourth proportional to 156,451.43, 234,599.51 and 49,821.49 is: 74,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,451.43 : 234,599.51 = 49,821.49 : x
  2. Step 2: Convert to fraction form
    156,451.43/234,599.51 = 49,821.49/x
  3. Step 3: Cross multiply
    156,451.43x = 234,599.51 × 49,821.49
  4. Step 4: Simplify right side
    156,451.43x = 11,688,096,985.78
  5. Step 5: Solve for x
    x = 11,688,096,985.78/156,451.43
  6. Step 6: Final answer
    x = 74,707.51

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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.