Home / 155,963.22-215,284.39-92,300.86

Finding the Fourth Proportional to 155,963.22, 215,284.39 and 92,300.86

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Solution

The fourth proportional to 155,963.22, 215,284.39 and 92,300.86 is: 127,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,963.22 : 215,284.39 = 92,300.86 : x
  2. Step 2: Convert to fraction form
    155,963.22/215,284.39 = 92,300.86/x
  3. Step 3: Cross multiply
    155,963.22x = 215,284.39 × 92,300.86
  4. Step 4: Simplify right side
    155,963.22x = 19,870,934,341.58
  5. Step 5: Solve for x
    x = 19,870,934,341.58/155,963.22
  6. Step 6: Final answer
    x = 127,407.82

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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.