Home / 251,869.16-347,578.90-137,146.03

Finding the Fourth Proportional to 251,869.16, 347,578.90 and 137,146.03

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Solution

The fourth proportional to 251,869.16, 347,578.90 and 137,146.03 is: 189,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,869.16 : 347,578.90 = 137,146.03 : x
  2. Step 2: Convert to fraction form
    251,869.16/347,578.90 = 137,146.03/x
  3. Step 3: Cross multiply
    251,869.16x = 347,578.90 × 137,146.03
  4. Step 4: Simplify right side
    251,869.16x = 47,669,065,034.95
  5. Step 5: Solve for x
    x = 47,669,065,034.95/251,869.16
  6. Step 6: Final answer
    x = 189,261.22

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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.