Home / 161,565.06-222,814.62-101,141.20

Finding the Fourth Proportional to 161,565.06, 222,814.62 and 101,141.20

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Solution

The fourth proportional to 161,565.06, 222,814.62 and 101,141.20 is: 139,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565.06 : 222,814.62 = 101,141.20 : x
  2. Step 2: Convert to fraction form
    161,565.06/222,814.62 = 101,141.20/x
  3. Step 3: Cross multiply
    161,565.06x = 222,814.62 × 101,141.20
  4. Step 4: Simplify right side
    161,565.06x = 22,535,738,044.34
  5. Step 5: Solve for x
    x = 22,535,738,044.34/161,565.06
  6. Step 6: Final answer
    x = 139,483.98

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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.