Home / 211,716.99-292,159.31-121,087.71

Finding the Fourth Proportional to 211,716.99, 292,159.31 and 121,087.71

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Solution

The fourth proportional to 211,716.99, 292,159.31 and 121,087.71 is: 167,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,716.99 : 292,159.31 = 121,087.71 : x
  2. Step 2: Convert to fraction form
    211,716.99/292,159.31 = 121,087.71/x
  3. Step 3: Cross multiply
    211,716.99x = 292,159.31 × 121,087.71
  4. Step 4: Simplify right side
    211,716.99x = 35,376,901,197.64
  5. Step 5: Solve for x
    x = 35,376,901,197.64/211,716.99
  6. Step 6: Final answer
    x = 167,095.24

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1.5x scale

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.