Home / 87,858.17-131,856.96-45,750.23

Finding the Fourth Proportional to 87,858.17, 131,856.96 and 45,750.23

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Solution

The fourth proportional to 87,858.17, 131,856.96 and 45,750.23 is: 68,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,858.17 : 131,856.96 = 45,750.23 : x
  2. Step 2: Convert to fraction form
    87,858.17/131,856.96 = 45,750.23/x
  3. Step 3: Cross multiply
    87,858.17x = 131,856.96 × 45,750.23
  4. Step 4: Simplify right side
    87,858.17x = 6,032,485,587.82
  5. Step 5: Solve for x
    x = 6,032,485,587.82/87,858.17
  6. Step 6: Final answer
    x = 68,661.64

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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.