Home / 214,721.61-296,314.20-119,228.64

Finding the Fourth Proportional to 214,721.61, 296,314.20 and 119,228.64

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Solution

The fourth proportional to 214,721.61, 296,314.20 and 119,228.64 is: 164,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,721.61 : 296,314.20 = 119,228.64 : x
  2. Step 2: Convert to fraction form
    214,721.61/296,314.20 = 119,228.64/x
  3. Step 3: Cross multiply
    214,721.61x = 296,314.20 × 119,228.64
  4. Step 4: Simplify right side
    214,721.61x = 35,329,139,078.69
  5. Step 5: Solve for x
    x = 35,329,139,078.69/214,721.61
  6. Step 6: Final answer
    x = 164,534.62

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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.