Home / 253,297.12-349,553.76-140,119.36

Finding the Fourth Proportional to 253,297.12, 349,553.76 and 140,119.36

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Solution

The fourth proportional to 253,297.12, 349,553.76 and 140,119.36 is: 193,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,297.12 : 349,553.76 = 140,119.36 : x
  2. Step 2: Convert to fraction form
    253,297.12/349,553.76 = 140,119.36/x
  3. Step 3: Cross multiply
    253,297.12x = 349,553.76 × 140,119.36
  4. Step 4: Simplify right side
    253,297.12x = 48,979,249,136.79
  5. Step 5: Solve for x
    x = 48,979,249,136.79/253,297.12
  6. Step 6: Final answer
    x = 193,366.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.