Home / 156,246.39-215,615.97-88,270.38

Finding the Fourth Proportional to 156,246.39, 215,615.97 and 88,270.38

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Solution

The fourth proportional to 156,246.39, 215,615.97 and 88,270.38 is: 121,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,246.39 : 215,615.97 = 88,270.38 : x
  2. Step 2: Convert to fraction form
    156,246.39/215,615.97 = 88,270.38/x
  3. Step 3: Cross multiply
    156,246.39x = 215,615.97 × 88,270.38
  4. Step 4: Simplify right side
    156,246.39x = 19,032,503,605.97
  5. Step 5: Solve for x
    x = 19,032,503,605.97/156,246.39
  6. Step 6: Final answer
    x = 121,810.84

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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.