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Finding the Fourth Proportional to 162,081.72, 223,405.02 and 108,347.10

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Solution

The fourth proportional to 162,081.72, 223,405.02 and 108,347.10 is: 149,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,081.72 : 223,405.02 = 108,347.10 : x
  2. Step 2: Convert to fraction form
    162,081.72/223,405.02 = 108,347.10/x
  3. Step 3: Cross multiply
    162,081.72x = 223,405.02 × 108,347.10
  4. Step 4: Simplify right side
    162,081.72x = 24,205,286,042.44
  5. Step 5: Solve for x
    x = 24,205,286,042.44/162,081.72
  6. Step 6: Final answer
    x = 149,340.01

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1.5x scale

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.