Home / 210,273.44-315,087.18-142,717.70

Finding the Fourth Proportional to 210,273.44, 315,087.18 and 142,717.70

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Solution

The fourth proportional to 210,273.44, 315,087.18 and 142,717.70 is: 213,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,273.44 : 315,087.18 = 142,717.70 : x
  2. Step 2: Convert to fraction form
    210,273.44/315,087.18 = 142,717.70/x
  3. Step 3: Cross multiply
    210,273.44x = 315,087.18 × 142,717.70
  4. Step 4: Simplify right side
    210,273.44x = 44,968,516,053.65
  5. Step 5: Solve for x
    x = 44,968,516,053.65/210,273.44
  6. Step 6: Final answer
    x = 213,857.33

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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.