Home / 250,056.24-345,085.72-136,879

Finding the Fourth Proportional to 250,056.24, 345,085.72 and 136,879

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Solution

The fourth proportional to 250,056.24, 345,085.72 and 136,879 is: 188,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,056.24 : 345,085.72 = 136,879 : x
  2. Step 2: Convert to fraction form
    250,056.24/345,085.72 = 136,879/x
  3. Step 3: Cross multiply
    250,056.24x = 345,085.72 × 136,879
  4. Step 4: Simplify right side
    250,056.24x = 47,234,988,267.88
  5. Step 5: Solve for x
    x = 47,234,988,267.88/250,056.24
  6. Step 6: Final answer
    x = 188,897.46

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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.