Home / 140,976.36-211,345.92-66,057

Finding the Fourth Proportional to 140,976.36, 211,345.92 and 66,057

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Solution

The fourth proportional to 140,976.36, 211,345.92 and 66,057 is: 99,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,976.36 : 211,345.92 = 66,057 : x
  2. Step 2: Convert to fraction form
    140,976.36/211,345.92 = 66,057/x
  3. Step 3: Cross multiply
    140,976.36x = 211,345.92 × 66,057
  4. Step 4: Simplify right side
    140,976.36x = 13,960,877,437.44
  5. Step 5: Solve for x
    x = 13,960,877,437.44/140,976.36
  6. Step 6: Final answer
    x = 99,029.92

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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.