Home / 170,441.72-235,634.70-127,926.44

Finding the Fourth Proportional to 170,441.72, 235,634.70 and 127,926.44

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Solution

The fourth proportional to 170,441.72, 235,634.70 and 127,926.44 is: 176,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,441.72 : 235,634.70 = 127,926.44 : x
  2. Step 2: Convert to fraction form
    170,441.72/235,634.70 = 127,926.44/x
  3. Step 3: Cross multiply
    170,441.72x = 235,634.70 × 127,926.44
  4. Step 4: Simplify right side
    170,441.72x = 30,143,908,311.47
  5. Step 5: Solve for x
    x = 30,143,908,311.47/170,441.72
  6. Step 6: Final answer
    x = 176,857.57

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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.