Home / 210,418.50-290,338.98-119,769.18

Finding the Fourth Proportional to 210,418.50, 290,338.98 and 119,769.18

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Solution

The fourth proportional to 210,418.50, 290,338.98 and 119,769.18 is: 165,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,418.50 : 290,338.98 = 119,769.18 : x
  2. Step 2: Convert to fraction form
    210,418.50/290,338.98 = 119,769.18/x
  3. Step 3: Cross multiply
    210,418.50x = 290,338.98 × 119,769.18
  4. Step 4: Simplify right side
    210,418.50x = 34,773,661,556.64
  5. Step 5: Solve for x
    x = 34,773,661,556.64/210,418.50
  6. Step 6: Final answer
    x = 165,259.53

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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.