Home / 157,954.86-236,837.62-72,458.66

Finding the Fourth Proportional to 157,954.86, 236,837.62 and 72,458.66

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Solution

The fourth proportional to 157,954.86, 236,837.62 and 72,458.66 is: 108,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,954.86 : 236,837.62 = 72,458.66 : x
  2. Step 2: Convert to fraction form
    157,954.86/236,837.62 = 72,458.66/x
  3. Step 3: Cross multiply
    157,954.86x = 236,837.62 × 72,458.66
  4. Step 4: Simplify right side
    157,954.86x = 17,160,936,582.79
  5. Step 5: Solve for x
    x = 17,160,936,582.79/157,954.86
  6. Step 6: Final answer
    x = 108,644.56

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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.