Home / 163,729.18-225,977.37-102,503.86

Finding the Fourth Proportional to 163,729.18, 225,977.37 and 102,503.86

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Solution

The fourth proportional to 163,729.18, 225,977.37 and 102,503.86 is: 141,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,729.18 : 225,977.37 = 102,503.86 : x
  2. Step 2: Convert to fraction form
    163,729.18/225,977.37 = 102,503.86/x
  3. Step 3: Cross multiply
    163,729.18x = 225,977.37 × 102,503.86
  4. Step 4: Simplify right side
    163,729.18x = 23,163,552,697.65
  5. Step 5: Solve for x
    x = 23,163,552,697.65/163,729.18
  6. Step 6: Final answer
    x = 141,474.80

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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.