Home / 156,453.69-215,897.49-88,466.76

Finding the Fourth Proportional to 156,453.69, 215,897.49 and 88,466.76

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Solution

The fourth proportional to 156,453.69, 215,897.49 and 88,466.76 is: 122,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,453.69 : 215,897.49 = 88,466.76 : x
  2. Step 2: Convert to fraction form
    156,453.69/215,897.49 = 88,466.76/x
  3. Step 3: Cross multiply
    156,453.69x = 215,897.49 × 88,466.76
  4. Step 4: Simplify right side
    156,453.69x = 19,099,751,432.43
  5. Step 5: Solve for x
    x = 19,099,751,432.43/156,453.69
  6. Step 6: Final answer
    x = 122,079.26

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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.