Home / 272,192.52-408,371.79-139,166.22

Finding the Fourth Proportional to 272,192.52, 408,371.79 and 139,166.22

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Solution

The fourth proportional to 272,192.52, 408,371.79 and 139,166.22 is: 208,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,192.52 : 408,371.79 = 139,166.22 : x
  2. Step 2: Convert to fraction form
    272,192.52/408,371.79 = 139,166.22/x
  3. Step 3: Cross multiply
    272,192.52x = 408,371.79 × 139,166.22
  4. Step 4: Simplify right side
    272,192.52x = 56,831,558,368.93
  5. Step 5: Solve for x
    x = 56,831,558,368.93/272,192.52
  6. Step 6: Final answer
    x = 208,791.77

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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.