Home / 215,485.92-323,029.32-110,072.40

Finding the Fourth Proportional to 215,485.92, 323,029.32 and 110,072.40

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Solution

The fourth proportional to 215,485.92, 323,029.32 and 110,072.40 is: 165,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,485.92 : 323,029.32 = 110,072.40 : x
  2. Step 2: Convert to fraction form
    215,485.92/323,029.32 = 110,072.40/x
  3. Step 3: Cross multiply
    215,485.92x = 323,029.32 × 110,072.40
  4. Step 4: Simplify right side
    215,485.92x = 35,556,612,522.77
  5. Step 5: Solve for x
    x = 35,556,612,522.77/215,485.92
  6. Step 6: Final answer
    x = 165,006.66

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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.