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Finding the Fourth Proportional to 72,153.81, 108,231.54 and 22,233.51

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Solution

The fourth proportional to 72,153.81, 108,231.54 and 22,233.51 is: 33,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,153.81 : 108,231.54 = 22,233.51 : x
  2. Step 2: Convert to fraction form
    72,153.81/108,231.54 = 22,233.51/x
  3. Step 3: Cross multiply
    72,153.81x = 108,231.54 × 22,233.51
  4. Step 4: Simplify right side
    72,153.81x = 2,406,367,026.91
  5. Step 5: Solve for x
    x = 2,406,367,026.91/72,153.81
  6. Step 6: Final answer
    x = 33,350.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.