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Finding the Fourth Proportional to 181,690.75, 250,733.24 and 101,137.31

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Solution

The fourth proportional to 181,690.75, 250,733.24 and 101,137.31 is: 139,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,690.75 : 250,733.24 = 101,137.31 : x
  2. Step 2: Convert to fraction form
    181,690.75/250,733.24 = 101,137.31/x
  3. Step 3: Cross multiply
    181,690.75x = 250,733.24 × 101,137.31
  4. Step 4: Simplify right side
    181,690.75x = 25,358,484,276.16
  5. Step 5: Solve for x
    x = 25,358,484,276.16/181,690.75
  6. Step 6: Final answer
    x = 139,569.48

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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.