Home / 251,983.02-347,740.74-138,805.86

Finding the Fourth Proportional to 251,983.02, 347,740.74 and 138,805.86

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Solution

The fourth proportional to 251,983.02, 347,740.74 and 138,805.86 is: 191,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,983.02 : 347,740.74 = 138,805.86 : x
  2. Step 2: Convert to fraction form
    251,983.02/347,740.74 = 138,805.86/x
  3. Step 3: Cross multiply
    251,983.02x = 347,740.74 × 138,805.86
  4. Step 4: Simplify right side
    251,983.02x = 48,268,452,472.74
  5. Step 5: Solve for x
    x = 48,268,452,472.74/251,983.02
  6. Step 6: Final answer
    x = 191,554.39

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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.