Home / 140,983.48-211,487.64-39,782.42

Finding the Fourth Proportional to 140,983.48, 211,487.64 and 39,782.42

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Solution

The fourth proportional to 140,983.48, 211,487.64 and 39,782.42 is: 59,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,983.48 : 211,487.64 = 39,782.42 : x
  2. Step 2: Convert to fraction form
    140,983.48/211,487.64 = 39,782.42/x
  3. Step 3: Cross multiply
    140,983.48x = 211,487.64 × 39,782.42
  4. Step 4: Simplify right side
    140,983.48x = 8,413,490,119.29
  5. Step 5: Solve for x
    x = 8,413,490,119.29/140,983.48
  6. Step 6: Final answer
    x = 59,677.13

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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.