Home / 162,205.29-243,127.26-67,382.64

Finding the Fourth Proportional to 162,205.29, 243,127.26 and 67,382.64

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Solution

The fourth proportional to 162,205.29, 243,127.26 and 67,382.64 is: 100,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,205.29 : 243,127.26 = 67,382.64 : x
  2. Step 2: Convert to fraction form
    162,205.29/243,127.26 = 67,382.64/x
  3. Step 3: Cross multiply
    162,205.29x = 243,127.26 × 67,382.64
  4. Step 4: Simplify right side
    162,205.29x = 16,382,556,634.77
  5. Step 5: Solve for x
    x = 16,382,556,634.77/162,205.29
  6. Step 6: Final answer
    x = 100,998.90

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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.