Home / 169,384.57-254,175.27-75,890.32

Finding the Fourth Proportional to 169,384.57, 254,175.27 and 75,890.32

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Solution

The fourth proportional to 169,384.57, 254,175.27 and 75,890.32 is: 113,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,384.57 : 254,175.27 = 75,890.32 : x
  2. Step 2: Convert to fraction form
    169,384.57/254,175.27 = 75,890.32/x
  3. Step 3: Cross multiply
    169,384.57x = 254,175.27 × 75,890.32
  4. Step 4: Simplify right side
    169,384.57x = 19,289,441,656.36
  5. Step 5: Solve for x
    x = 19,289,441,656.36/169,384.57
  6. Step 6: Final answer
    x = 113,879.57

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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.