Home / 172,037.04-258,085.82-78,552.24

Finding the Fourth Proportional to 172,037.04, 258,085.82 and 78,552.24

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Solution

The fourth proportional to 172,037.04, 258,085.82 and 78,552.24 is: 117,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037.04 : 258,085.82 = 78,552.24 : x
  2. Step 2: Convert to fraction form
    172,037.04/258,085.82 = 78,552.24/x
  3. Step 3: Cross multiply
    172,037.04x = 258,085.82 × 78,552.24
  4. Step 4: Simplify right side
    172,037.04x = 20,273,219,273.24
  5. Step 5: Solve for x
    x = 20,273,219,273.24/172,037.04
  6. Step 6: Final answer
    x = 117,842.18

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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.