Home / 151,973.91-209,698.29-91,530.09

Finding the Fourth Proportional to 151,973.91, 209,698.29 and 91,530.09

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Solution

The fourth proportional to 151,973.91, 209,698.29 and 91,530.09 is: 126,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973.91 : 209,698.29 = 91,530.09 : x
  2. Step 2: Convert to fraction form
    151,973.91/209,698.29 = 91,530.09/x
  3. Step 3: Cross multiply
    151,973.91x = 209,698.29 × 91,530.09
  4. Step 4: Simplify right side
    151,973.91x = 19,193,703,356.55
  5. Step 5: Solve for x
    x = 19,193,703,356.55/151,973.91
  6. Step 6: Final answer
    x = 126,296.04

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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.