Home / 172,216.06-258,328.96-47,557.06

Finding the Fourth Proportional to 172,216.06, 258,328.96 and 47,557.06

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Solution

The fourth proportional to 172,216.06, 258,328.96 and 47,557.06 is: 71,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,216.06 : 258,328.96 = 47,557.06 : x
  2. Step 2: Convert to fraction form
    172,216.06/258,328.96 = 47,557.06/x
  3. Step 3: Cross multiply
    172,216.06x = 258,328.96 × 47,557.06
  4. Step 4: Simplify right side
    172,216.06x = 12,285,366,538.84
  5. Step 5: Solve for x
    x = 12,285,366,538.84/172,216.06
  6. Step 6: Final answer
    x = 71,336.94

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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.