Home / 156,729.26-216,282.39-88,762.94

Finding the Fourth Proportional to 156,729.26, 216,282.39 and 88,762.94

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Solution

The fourth proportional to 156,729.26, 216,282.39 and 88,762.94 is: 122,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.26 : 216,282.39 = 88,762.94 : x
  2. Step 2: Convert to fraction form
    156,729.26/216,282.39 = 88,762.94/x
  3. Step 3: Cross multiply
    156,729.26x = 216,282.39 × 88,762.94
  4. Step 4: Simplify right side
    156,729.26x = 19,197,860,203.41
  5. Step 5: Solve for x
    x = 19,197,860,203.41/156,729.26
  6. Step 6: Final answer
    x = 122,490.59

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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.