Home / 122,932.40-169,556.20-84,704.72

Finding the Fourth Proportional to 122,932.40, 169,556.20 and 84,704.72

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Solution

The fourth proportional to 122,932.40, 169,556.20 and 84,704.72 is: 116,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,932.40 : 169,556.20 = 84,704.72 : x
  2. Step 2: Convert to fraction form
    122,932.40/169,556.20 = 84,704.72/x
  3. Step 3: Cross multiply
    122,932.40x = 169,556.20 × 84,704.72
  4. Step 4: Simplify right side
    122,932.40x = 14,362,210,445.26
  5. Step 5: Solve for x
    x = 14,362,210,445.26/122,932.40
  6. Step 6: Final answer
    x = 116,830.15

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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.