Home / 251,899.85-347,615.02-137,176.20

Finding the Fourth Proportional to 251,899.85, 347,615.02 and 137,176.20

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Solution

The fourth proportional to 251,899.85, 347,615.02 and 137,176.20 is: 189,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,899.85 : 347,615.02 = 137,176.20 : x
  2. Step 2: Convert to fraction form
    251,899.85/347,615.02 = 137,176.20/x
  3. Step 3: Cross multiply
    251,899.85x = 347,615.02 × 137,176.20
  4. Step 4: Simplify right side
    251,899.85x = 47,684,507,506.52
  5. Step 5: Solve for x
    x = 47,684,507,506.52/251,899.85
  6. Step 6: Final answer
    x = 189,299.47

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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.