Home / 156,272.52-215,645.42-88,292.36

Finding the Fourth Proportional to 156,272.52, 215,645.42 and 88,292.36

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Solution

The fourth proportional to 156,272.52, 215,645.42 and 88,292.36 is: 121,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,272.52 : 215,645.42 = 88,292.36 : x
  2. Step 2: Convert to fraction form
    156,272.52/215,645.42 = 88,292.36/x
  3. Step 3: Cross multiply
    156,272.52x = 215,645.42 × 88,292.36
  4. Step 4: Simplify right side
    156,272.52x = 19,039,843,814.84
  5. Step 5: Solve for x
    x = 19,039,843,814.84/156,272.52
  6. Step 6: Final answer
    x = 121,837.44

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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.