Home / 169,409.86-254,138.20-57,122.18

Finding the Fourth Proportional to 169,409.86, 254,138.20 and 57,122.18

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Solution

The fourth proportional to 169,409.86, 254,138.20 and 57,122.18 is: 85,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,409.86 : 254,138.20 = 57,122.18 : x
  2. Step 2: Convert to fraction form
    169,409.86/254,138.20 = 57,122.18/x
  3. Step 3: Cross multiply
    169,409.86x = 254,138.20 × 57,122.18
  4. Step 4: Simplify right side
    169,409.86x = 14,516,928,005.28
  5. Step 5: Solve for x
    x = 14,516,928,005.28/169,409.86
  6. Step 6: Final answer
    x = 85,691.16

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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.