Home / 157,632.89-236,365.83-68,782.64

Finding the Fourth Proportional to 157,632.89, 236,365.83 and 68,782.64

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Solution

The fourth proportional to 157,632.89, 236,365.83 and 68,782.64 is: 103,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,632.89 : 236,365.83 = 68,782.64 : x
  2. Step 2: Convert to fraction form
    157,632.89/236,365.83 = 68,782.64/x
  3. Step 3: Cross multiply
    157,632.89x = 236,365.83 × 68,782.64
  4. Step 4: Simplify right side
    157,632.89x = 16,257,864,611.36
  5. Step 5: Solve for x
    x = 16,257,864,611.36/157,632.89
  6. Step 6: Final answer
    x = 103,137.52

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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.