Home / 172,856.02-259,107.62-109,722.80

Finding the Fourth Proportional to 172,856.02, 259,107.62 and 109,722.80

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Solution

The fourth proportional to 172,856.02, 259,107.62 and 109,722.80 is: 164,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,856.02 : 259,107.62 = 109,722.80 : x
  2. Step 2: Convert to fraction form
    172,856.02/259,107.62 = 109,722.80/x
  3. Step 3: Cross multiply
    172,856.02x = 259,107.62 × 109,722.80
  4. Step 4: Simplify right side
    172,856.02x = 28,430,013,567.74
  5. Step 5: Solve for x
    x = 28,430,013,567.74/172,856.02
  6. Step 6: Final answer
    x = 164,472.22

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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.