Home / 172,823.10-259,234.65-141,330.30

Finding the Fourth Proportional to 172,823.10, 259,234.65 and 141,330.30

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Solution

The fourth proportional to 172,823.10, 259,234.65 and 141,330.30 is: 211,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,823.10 : 259,234.65 = 141,330.30 : x
  2. Step 2: Convert to fraction form
    172,823.10/259,234.65 = 141,330.30/x
  3. Step 3: Cross multiply
    172,823.10x = 259,234.65 × 141,330.30
  4. Step 4: Simplify right side
    172,823.10x = 36,637,710,854.90
  5. Step 5: Solve for x
    x = 36,637,710,854.90/172,823.10
  6. Step 6: Final answer
    x = 211,995.45

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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.