Home / 87,354.02-131,081.83-36,749.34

Finding the Fourth Proportional to 87,354.02, 131,081.83 and 36,749.34

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Solution

The fourth proportional to 87,354.02, 131,081.83 and 36,749.34 is: 55,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,354.02 : 131,081.83 = 36,749.34 : x
  2. Step 2: Convert to fraction form
    87,354.02/131,081.83 = 36,749.34/x
  3. Step 3: Cross multiply
    87,354.02x = 131,081.83 × 36,749.34
  4. Step 4: Simplify right side
    87,354.02x = 4,817,170,646.62
  5. Step 5: Solve for x
    x = 4,817,170,646.62/87,354.02
  6. Step 6: Final answer
    x = 55,145.38

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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.