Home / 140,976.56-211,415.88-56,711.72

Finding the Fourth Proportional to 140,976.56, 211,415.88 and 56,711.72

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Solution

The fourth proportional to 140,976.56, 211,415.88 and 56,711.72 is: 85,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,976.56 : 211,415.88 = 56,711.72 : x
  2. Step 2: Convert to fraction form
    140,976.56/211,415.88 = 56,711.72/x
  3. Step 3: Cross multiply
    140,976.56x = 211,415.88 × 56,711.72
  4. Step 4: Simplify right side
    140,976.56x = 11,989,758,190.11
  5. Step 5: Solve for x
    x = 11,989,758,190.11/140,976.56
  6. Step 6: Final answer
    x = 85,047.88

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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.