Home / 169,977.60-254,966.40-81,404.10

Finding the Fourth Proportional to 169,977.60, 254,966.40 and 81,404.10

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Solution

The fourth proportional to 169,977.60, 254,966.40 and 81,404.10 is: 122,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,977.60 : 254,966.40 = 81,404.10 : x
  2. Step 2: Convert to fraction form
    169,977.60/254,966.40 = 81,404.10/x
  3. Step 3: Cross multiply
    169,977.60x = 254,966.40 × 81,404.10
  4. Step 4: Simplify right side
    169,977.60x = 20,755,310,322.24
  5. Step 5: Solve for x
    x = 20,755,310,322.24/169,977.60
  6. Step 6: Final answer
    x = 122,106.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.