Home / 140,276.88-210,414.96-115,553.52

Finding the Fourth Proportional to 140,276.88, 210,414.96 and 115,553.52

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Solution

The fourth proportional to 140,276.88, 210,414.96 and 115,553.52 is: 173,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,276.88 : 210,414.96 = 115,553.52 : x
  2. Step 2: Convert to fraction form
    140,276.88/210,414.96 = 115,553.52/x
  3. Step 3: Cross multiply
    140,276.88x = 210,414.96 × 115,553.52
  4. Step 4: Simplify right side
    140,276.88x = 24,314,189,288.66
  5. Step 5: Solve for x
    x = 24,314,189,288.66/140,276.88
  6. Step 6: Final answer
    x = 173,329.98

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1.5x scale

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.