Home / 173,127.98-259,008.69-131,129.12

Finding the Fourth Proportional to 173,127.98, 259,008.69 and 131,129.12

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Solution

The fourth proportional to 173,127.98, 259,008.69 and 131,129.12 is: 196,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,127.98 : 259,008.69 = 131,129.12 : x
  2. Step 2: Convert to fraction form
    173,127.98/259,008.69 = 131,129.12/x
  3. Step 3: Cross multiply
    173,127.98x = 259,008.69 × 131,129.12
  4. Step 4: Simplify right side
    173,127.98x = 33,963,581,592.05
  5. Step 5: Solve for x
    x = 33,963,581,592.05/173,127.98
  6. Step 6: Final answer
    x = 196,176.16

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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.