Home / 251,675.18-347,311.82-138,497.93

Finding the Fourth Proportional to 251,675.18, 347,311.82 and 138,497.93

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Solution

The fourth proportional to 251,675.18, 347,311.82 and 138,497.93 is: 191,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,675.18 : 347,311.82 = 138,497.93 : x
  2. Step 2: Convert to fraction form
    251,675.18/347,311.82 = 138,497.93/x
  3. Step 3: Cross multiply
    251,675.18x = 347,311.82 × 138,497.93
  4. Step 4: Simplify right side
    251,675.18x = 48,101,968,310.32
  5. Step 5: Solve for x
    x = 48,101,968,310.32/251,675.18
  6. Step 6: Final answer
    x = 191,127.18

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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.