Home / 211,332.74-291,637.86-115,843.46

Finding the Fourth Proportional to 211,332.74, 291,637.86 and 115,843.46

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Solution

The fourth proportional to 211,332.74, 291,637.86 and 115,843.46 is: 159,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,332.74 : 291,637.86 = 115,843.46 : x
  2. Step 2: Convert to fraction form
    211,332.74/291,637.86 = 115,843.46/x
  3. Step 3: Cross multiply
    211,332.74x = 291,637.86 × 115,843.46
  4. Step 4: Simplify right side
    211,332.74x = 33,784,338,769.40
  5. Step 5: Solve for x
    x = 33,784,338,769.40/211,332.74
  6. Step 6: Final answer
    x = 159,863.25

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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.