Home / 87,108.30-120,181.14-50,801.58

Finding the Fourth Proportional to 87,108.30, 120,181.14 and 50,801.58

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Solution

The fourth proportional to 87,108.30, 120,181.14 and 50,801.58 is: 70,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,108.30 : 120,181.14 = 50,801.58 : x
  2. Step 2: Convert to fraction form
    87,108.30/120,181.14 = 50,801.58/x
  3. Step 3: Cross multiply
    87,108.30x = 120,181.14 × 50,801.58
  4. Step 4: Simplify right side
    87,108.30x = 6,105,391,798.20
  5. Step 5: Solve for x
    x = 6,105,391,798.20/87,108.30
  6. Step 6: Final answer
    x = 70,089.67

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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.