Home / 211,966.30-292,529.77-121,350.69

Finding the Fourth Proportional to 211,966.30, 292,529.77 and 121,350.69

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Solution

The fourth proportional to 211,966.30, 292,529.77 and 121,350.69 is: 167,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,966.30 : 292,529.77 = 121,350.69 : x
  2. Step 2: Convert to fraction form
    211,966.30/292,529.77 = 121,350.69/x
  3. Step 3: Cross multiply
    211,966.30x = 292,529.77 × 121,350.69
  4. Step 4: Simplify right side
    211,966.30x = 35,498,689,435.04
  5. Step 5: Solve for x
    x = 35,498,689,435.04/211,966.30
  6. Step 6: Final answer
    x = 167,473.27

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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.