Home / 118,257.52-163,194.06-64,542.10

Finding the Fourth Proportional to 118,257.52, 163,194.06 and 64,542.10

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Solution

The fourth proportional to 118,257.52, 163,194.06 and 64,542.10 is: 89,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,257.52 : 163,194.06 = 64,542.10 : x
  2. Step 2: Convert to fraction form
    118,257.52/163,194.06 = 64,542.10/x
  3. Step 3: Cross multiply
    118,257.52x = 163,194.06 × 64,542.10
  4. Step 4: Simplify right side
    118,257.52x = 10,532,887,339.93
  5. Step 5: Solve for x
    x = 10,532,887,339.93/118,257.52
  6. Step 6: Final answer
    x = 89,067.38

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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.