Home / 88,112.64-131,943.36-48,625.92

Finding the Fourth Proportional to 88,112.64, 131,943.36 and 48,625.92

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Solution

The fourth proportional to 88,112.64, 131,943.36 and 48,625.92 is: 72,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.64 : 131,943.36 = 48,625.92 : x
  2. Step 2: Convert to fraction form
    88,112.64/131,943.36 = 48,625.92/x
  3. Step 3: Cross multiply
    88,112.64x = 131,943.36 × 48,625.92
  4. Step 4: Simplify right side
    88,112.64x = 6,415,867,267.89
  5. Step 5: Solve for x
    x = 6,415,867,267.89/88,112.64
  6. Step 6: Final answer
    x = 72,814.38

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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.