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Finding the Fourth Proportional to 171,709.18, 236,973.22 and 95,252.91

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Solution

The fourth proportional to 171,709.18, 236,973.22 and 95,252.91 is: 131,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,709.18 : 236,973.22 = 95,252.91 : x
  2. Step 2: Convert to fraction form
    171,709.18/236,973.22 = 95,252.91/x
  3. Step 3: Cross multiply
    171,709.18x = 236,973.22 × 95,252.91
  4. Step 4: Simplify right side
    171,709.18x = 22,572,387,545.53
  5. Step 5: Solve for x
    x = 22,572,387,545.53/171,709.18
  6. Step 6: Final answer
    x = 131,457.08

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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.