Home / 210,586.33-315,763.82-103,735.18

Finding the Fourth Proportional to 210,586.33, 315,763.82 and 103,735.18

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Solution

The fourth proportional to 210,586.33, 315,763.82 and 103,735.18 is: 155,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,586.33 : 315,763.82 = 103,735.18 : x
  2. Step 2: Convert to fraction form
    210,586.33/315,763.82 = 103,735.18/x
  3. Step 3: Cross multiply
    210,586.33x = 315,763.82 × 103,735.18
  4. Step 4: Simplify right side
    210,586.33x = 32,755,816,186.51
  5. Step 5: Solve for x
    x = 32,755,816,186.51/210,586.33
  6. Step 6: Final answer
    x = 155,545.79

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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.