Home / 169,686.20-254,558.10-51,356.60

Finding the Fourth Proportional to 169,686.20, 254,558.10 and 51,356.60

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Solution

The fourth proportional to 169,686.20, 254,558.10 and 51,356.60 is: 77,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,686.20 : 254,558.10 = 51,356.60 : x
  2. Step 2: Convert to fraction form
    169,686.20/254,558.10 = 51,356.60/x
  3. Step 3: Cross multiply
    169,686.20x = 254,558.10 × 51,356.60
  4. Step 4: Simplify right side
    169,686.20x = 13,073,238,518.46
  5. Step 5: Solve for x
    x = 13,073,238,518.46/169,686.20
  6. Step 6: Final answer
    x = 77,043.62

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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.