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Finding the Fourth Proportional to 114,556.66, 158,086.26 and 64,254.58

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Solution

The fourth proportional to 114,556.66, 158,086.26 and 64,254.58 is: 88,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,556.66 : 158,086.26 = 64,254.58 : x
  2. Step 2: Convert to fraction form
    114,556.66/158,086.26 = 64,254.58/x
  3. Step 3: Cross multiply
    114,556.66x = 158,086.26 × 64,254.58
  4. Step 4: Simplify right side
    114,556.66x = 10,157,766,240.07
  5. Step 5: Solve for x
    x = 10,157,766,240.07/114,556.66
  6. Step 6: Final answer
    x = 88,670.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.