Home / 151,917.95-209,634.66-88,259.91

Finding the Fourth Proportional to 151,917.95, 209,634.66 and 88,259.91

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Solution

The fourth proportional to 151,917.95, 209,634.66 and 88,259.91 is: 121,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,917.95 : 209,634.66 = 88,259.91 : x
  2. Step 2: Convert to fraction form
    151,917.95/209,634.66 = 88,259.91/x
  3. Step 3: Cross multiply
    151,917.95x = 209,634.66 × 88,259.91
  4. Step 4: Simplify right side
    151,917.95x = 18,502,336,224.48
  5. Step 5: Solve for x
    x = 18,502,336,224.48/151,917.95
  6. Step 6: Final answer
    x = 121,791.64

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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.