Home / 221,050.60-331,612.64-87,932.16

Finding the Fourth Proportional to 221,050.60, 331,612.64 and 87,932.16

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Solution

The fourth proportional to 221,050.60, 331,612.64 and 87,932.16 is: 131,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,050.60 : 331,612.64 = 87,932.16 : x
  2. Step 2: Convert to fraction form
    221,050.60/331,612.64 = 87,932.16/x
  3. Step 3: Cross multiply
    221,050.60x = 331,612.64 × 87,932.16
  4. Step 4: Simplify right side
    221,050.60x = 29,159,415,718.50
  5. Step 5: Solve for x
    x = 29,159,415,718.50/221,050.60
  6. Step 6: Final answer
    x = 131,912.85

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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.