Home / 250,135.56-345,186.36-136,957.50

Finding the Fourth Proportional to 250,135.56, 345,186.36 and 136,957.50

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Solution

The fourth proportional to 250,135.56, 345,186.36 and 136,957.50 is: 189,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,135.56 : 345,186.36 = 136,957.50 : x
  2. Step 2: Convert to fraction form
    250,135.56/345,186.36 = 136,957.50/x
  3. Step 3: Cross multiply
    250,135.56x = 345,186.36 × 136,957.50
  4. Step 4: Simplify right side
    250,135.56x = 47,275,860,899.70
  5. Step 5: Solve for x
    x = 47,275,860,899.70/250,135.56
  6. Step 6: Final answer
    x = 189,000.96

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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.