Home / 215,006.81-322,599.05-108,333.75

Finding the Fourth Proportional to 215,006.81, 322,599.05 and 108,333.75

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Solution

The fourth proportional to 215,006.81, 322,599.05 and 108,333.75 is: 162,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,006.81 : 322,599.05 = 108,333.75 : x
  2. Step 2: Convert to fraction form
    215,006.81/322,599.05 = 108,333.75/x
  3. Step 3: Cross multiply
    215,006.81x = 322,599.05 × 108,333.75
  4. Step 4: Simplify right side
    215,006.81x = 34,948,366,516.64
  5. Step 5: Solve for x
    x = 34,948,366,516.64/215,006.81
  6. Step 6: Final answer
    x = 162,545.40

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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.