Home / 182,695.72-251,890.68-139,727.92

Finding the Fourth Proportional to 182,695.72, 251,890.68 and 139,727.92

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Solution

The fourth proportional to 182,695.72, 251,890.68 and 139,727.92 is: 192,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,695.72 : 251,890.68 = 139,727.92 : x
  2. Step 2: Convert to fraction form
    182,695.72/251,890.68 = 139,727.92/x
  3. Step 3: Cross multiply
    182,695.72x = 251,890.68 × 139,727.92
  4. Step 4: Simplify right side
    182,695.72x = 35,196,160,783.79
  5. Step 5: Solve for x
    x = 35,196,160,783.79/182,695.72
  6. Step 6: Final answer
    x = 192,649.07

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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.