Home / 215,391.42-323,087.13-96,924.36

Finding the Fourth Proportional to 215,391.42, 323,087.13 and 96,924.36

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Solution

The fourth proportional to 215,391.42, 323,087.13 and 96,924.36 is: 145,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,391.42 : 323,087.13 = 96,924.36 : x
  2. Step 2: Convert to fraction form
    215,391.42/323,087.13 = 96,924.36/x
  3. Step 3: Cross multiply
    215,391.42x = 323,087.13 × 96,924.36
  4. Step 4: Simplify right side
    215,391.42x = 31,315,013,299.49
  5. Step 5: Solve for x
    x = 31,315,013,299.49/215,391.42
  6. Step 6: Final answer
    x = 145,386.54

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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.