Home / 157,821.71-236,733.45-52,640.39

Finding the Fourth Proportional to 157,821.71, 236,733.45 and 52,640.39

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Solution

The fourth proportional to 157,821.71, 236,733.45 and 52,640.39 is: 78,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,821.71 : 236,733.45 = 52,640.39 : x
  2. Step 2: Convert to fraction form
    157,821.71/236,733.45 = 52,640.39/x
  3. Step 3: Cross multiply
    157,821.71x = 236,733.45 × 52,640.39
  4. Step 4: Simplify right side
    157,821.71x = 12,461,741,134.05
  5. Step 5: Solve for x
    x = 12,461,741,134.05/157,821.71
  6. Step 6: Final answer
    x = 78,960.88

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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.