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Finding the Fourth Proportional to 162,345.03, 223,891.07 and 101,921.30

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Solution

The fourth proportional to 162,345.03, 223,891.07 and 101,921.30 is: 140,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,345.03 : 223,891.07 = 101,921.30 : x
  2. Step 2: Convert to fraction form
    162,345.03/223,891.07 = 101,921.30/x
  3. Step 3: Cross multiply
    162,345.03x = 223,891.07 × 101,921.30
  4. Step 4: Simplify right side
    162,345.03x = 22,819,268,912.79
  5. Step 5: Solve for x
    x = 22,819,268,912.79/162,345.03
  6. Step 6: Final answer
    x = 140,560.32

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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.