Home / 125,234.14-172,849.23-115,146.64

Finding the Fourth Proportional to 125,234.14, 172,849.23 and 115,146.64

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Solution

The fourth proportional to 125,234.14, 172,849.23 and 115,146.64 is: 158,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,234.14 : 172,849.23 = 115,146.64 : x
  2. Step 2: Convert to fraction form
    125,234.14/172,849.23 = 115,146.64/x
  3. Step 3: Cross multiply
    125,234.14x = 172,849.23 × 115,146.64
  4. Step 4: Simplify right side
    125,234.14x = 19,903,008,061.09
  5. Step 5: Solve for x
    x = 19,903,008,061.09/125,234.14
  6. Step 6: Final answer
    x = 158,926.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.