Home / 171,942.32-257,795.84-87,539.16

Finding the Fourth Proportional to 171,942.32, 257,795.84 and 87,539.16

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Solution

The fourth proportional to 171,942.32, 257,795.84 and 87,539.16 is: 131,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,942.32 : 257,795.84 = 87,539.16 : x
  2. Step 2: Convert to fraction form
    171,942.32/257,795.84 = 87,539.16/x
  3. Step 3: Cross multiply
    171,942.32x = 257,795.84 × 87,539.16
  4. Step 4: Simplify right side
    171,942.32x = 22,567,231,285.09
  5. Step 5: Solve for x
    x = 22,567,231,285.09/171,942.32
  6. Step 6: Final answer
    x = 131,248.85

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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.