Home / 140,102.18-210,296.22-102,550.71

Finding the Fourth Proportional to 140,102.18, 210,296.22 and 102,550.71

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Solution

The fourth proportional to 140,102.18, 210,296.22 and 102,550.71 is: 153,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,102.18 : 210,296.22 = 102,550.71 : x
  2. Step 2: Convert to fraction form
    140,102.18/210,296.22 = 102,550.71/x
  3. Step 3: Cross multiply
    140,102.18x = 210,296.22 × 102,550.71
  4. Step 4: Simplify right side
    140,102.18x = 21,566,026,757.72
  5. Step 5: Solve for x
    x = 21,566,026,757.72/140,102.18
  6. Step 6: Final answer
    x = 153,930.70

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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.