Home / 210,836.43-290,951.82-115,341.93

Finding the Fourth Proportional to 210,836.43, 290,951.82 and 115,341.93

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Solution

The fourth proportional to 210,836.43, 290,951.82 and 115,341.93 is: 159,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,836.43 : 290,951.82 = 115,341.93 : x
  2. Step 2: Convert to fraction form
    210,836.43/290,951.82 = 115,341.93/x
  3. Step 3: Cross multiply
    210,836.43x = 290,951.82 × 115,341.93
  4. Step 4: Simplify right side
    210,836.43x = 33,558,944,455.81
  5. Step 5: Solve for x
    x = 33,558,944,455.81/210,836.43
  6. Step 6: Final answer
    x = 159,170.52

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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.