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Finding the Fourth Proportional to 161,545.64, 222,929.26 and 101,149.58

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Solution

The fourth proportional to 161,545.64, 222,929.26 and 101,149.58 is: 139,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,545.64 : 222,929.26 = 101,149.58 : x
  2. Step 2: Convert to fraction form
    161,545.64/222,929.26 = 101,149.58/x
  3. Step 3: Cross multiply
    161,545.64x = 222,929.26 × 101,149.58
  4. Step 4: Simplify right side
    161,545.64x = 22,549,201,018.71
  5. Step 5: Solve for x
    x = 22,549,201,018.71/161,545.64
  6. Step 6: Final answer
    x = 139,584.09

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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.