Home / 132,422.39-182,743.63-77,976.92

Finding the Fourth Proportional to 132,422.39, 182,743.63 and 77,976.92

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Solution

The fourth proportional to 132,422.39, 182,743.63 and 77,976.92 is: 107,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,422.39 : 182,743.63 = 77,976.92 : x
  2. Step 2: Convert to fraction form
    132,422.39/182,743.63 = 77,976.92/x
  3. Step 3: Cross multiply
    132,422.39x = 182,743.63 × 77,976.92
  4. Step 4: Simplify right side
    132,422.39x = 14,249,785,027.14
  5. Step 5: Solve for x
    x = 14,249,785,027.14/132,422.39
  6. Step 6: Final answer
    x = 107,608.58

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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.