Home / 117,008.52-175,525.05-38,128.86

Finding the Fourth Proportional to 117,008.52, 175,525.05 and 38,128.86

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Solution

The fourth proportional to 117,008.52, 175,525.05 and 38,128.86 is: 57,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.52 : 175,525.05 = 38,128.86 : x
  2. Step 2: Convert to fraction form
    117,008.52/175,525.05 = 38,128.86/x
  3. Step 3: Cross multiply
    117,008.52x = 175,525.05 × 38,128.86
  4. Step 4: Simplify right side
    117,008.52x = 6,692,570,057.94
  5. Step 5: Solve for x
    x = 6,692,570,057.94/117,008.52
  6. Step 6: Final answer
    x = 57,197.29

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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.