Home / 157,640.40-236,460.60-52,462.80

Finding the Fourth Proportional to 157,640.40, 236,460.60 and 52,462.80

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Solution

The fourth proportional to 157,640.40, 236,460.60 and 52,462.80 is: 78,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,640.40 : 236,460.60 = 52,462.80 : x
  2. Step 2: Convert to fraction form
    157,640.40/236,460.60 = 52,462.80/x
  3. Step 3: Cross multiply
    157,640.40x = 236,460.60 × 52,462.80
  4. Step 4: Simplify right side
    157,640.40x = 12,405,385,165.68
  5. Step 5: Solve for x
    x = 12,405,385,165.68/157,640.40
  6. Step 6: Final answer
    x = 78,694.20

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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.