Home / 210,203.43-290,087.09-119,572.39

Finding the Fourth Proportional to 210,203.43, 290,087.09 and 119,572.39

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Solution

The fourth proportional to 210,203.43, 290,087.09 and 119,572.39 is: 165,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,203.43 : 290,087.09 = 119,572.39 : x
  2. Step 2: Convert to fraction form
    210,203.43/290,087.09 = 119,572.39/x
  3. Step 3: Cross multiply
    210,203.43x = 290,087.09 × 119,572.39
  4. Step 4: Simplify right side
    210,203.43x = 34,686,406,659.45
  5. Step 5: Solve for x
    x = 34,686,406,659.45/210,203.43
  6. Step 6: Final answer
    x = 165,013.51

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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.