Home / 251,531.34-347,109.74-136,807.50

Finding the Fourth Proportional to 251,531.34, 347,109.74 and 136,807.50

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Solution

The fourth proportional to 251,531.34, 347,109.74 and 136,807.50 is: 188,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,531.34 : 347,109.74 = 136,807.50 : x
  2. Step 2: Convert to fraction form
    251,531.34/347,109.74 = 136,807.50/x
  3. Step 3: Cross multiply
    251,531.34x = 347,109.74 × 136,807.50
  4. Step 4: Simplify right side
    251,531.34x = 47,487,215,755.05
  5. Step 5: Solve for x
    x = 47,487,215,755.05/251,531.34
  6. Step 6: Final answer
    x = 188,792.44

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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.