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Finding the Fourth Proportional to 173,053.92, 238,769.28 and 101,395.44

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Solution

The fourth proportional to 173,053.92, 238,769.28 and 101,395.44 is: 139,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,053.92 : 238,769.28 = 101,395.44 : x
  2. Step 2: Convert to fraction form
    173,053.92/238,769.28 = 101,395.44/x
  3. Step 3: Cross multiply
    173,053.92x = 238,769.28 × 101,395.44
  4. Step 4: Simplify right side
    173,053.92x = 24,210,116,204.08
  5. Step 5: Solve for x
    x = 24,210,116,204.08/173,053.92
  6. Step 6: Final answer
    x = 139,899.26

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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.