Home / 156,748.69-216,326.66-88,777.64

Finding the Fourth Proportional to 156,748.69, 216,326.66 and 88,777.64

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Solution

The fourth proportional to 156,748.69, 216,326.66 and 88,777.64 is: 122,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.69 : 216,326.66 = 88,777.64 : x
  2. Step 2: Convert to fraction form
    156,748.69/216,326.66 = 88,777.64/x
  3. Step 3: Cross multiply
    156,748.69x = 216,326.66 × 88,777.64
  4. Step 4: Simplify right side
    156,748.69x = 19,204,970,343.88
  5. Step 5: Solve for x
    x = 19,204,970,343.88/156,748.69
  6. Step 6: Final answer
    x = 122,520.77

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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.