Home / 210,928.86-291,081.60-119,042.06

Finding the Fourth Proportional to 210,928.86, 291,081.60 and 119,042.06

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Solution

The fourth proportional to 210,928.86, 291,081.60 and 119,042.06 is: 164,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,928.86 : 291,081.60 = 119,042.06 : x
  2. Step 2: Convert to fraction form
    210,928.86/291,081.60 = 119,042.06/x
  3. Step 3: Cross multiply
    210,928.86x = 291,081.60 × 119,042.06
  4. Step 4: Simplify right side
    210,928.86x = 34,650,951,836.69
  5. Step 5: Solve for x
    x = 34,650,951,836.69/210,928.86
  6. Step 6: Final answer
    x = 164,277.91

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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.