Home / 161,565.30-222,814.96-101,141.46

Finding the Fourth Proportional to 161,565.30, 222,814.96 and 101,141.46

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Solution

The fourth proportional to 161,565.30, 222,814.96 and 101,141.46 is: 139,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565.30 : 222,814.96 = 101,141.46 : x
  2. Step 2: Convert to fraction form
    161,565.30/222,814.96 = 101,141.46/x
  3. Step 3: Cross multiply
    161,565.30x = 222,814.96 × 101,141.46
  4. Step 4: Simplify right side
    161,565.30x = 22,535,830,364.24
  5. Step 5: Solve for x
    x = 22,535,830,364.24/161,565.30
  6. Step 6: Final answer
    x = 139,484.35

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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.