Home / 251,851.04-347,560.44-137,135.60

Finding the Fourth Proportional to 251,851.04, 347,560.44 and 137,135.60

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Solution

The fourth proportional to 251,851.04, 347,560.44 and 137,135.60 is: 189,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,851.04 : 347,560.44 = 137,135.60 : x
  2. Step 2: Convert to fraction form
    251,851.04/347,560.44 = 137,135.60/x
  3. Step 3: Cross multiply
    251,851.04x = 347,560.44 × 137,135.60
  4. Step 4: Simplify right side
    251,851.04x = 47,662,909,475.66
  5. Step 5: Solve for x
    x = 47,662,909,475.66/251,851.04
  6. Step 6: Final answer
    x = 189,250.40

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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.