Home / 251,949.90-347,683.74-137,225.94

Finding the Fourth Proportional to 251,949.90, 347,683.74 and 137,225.94

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Solution

The fourth proportional to 251,949.90, 347,683.74 and 137,225.94 is: 189,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,949.90 : 347,683.74 = 137,225.94 : x
  2. Step 2: Convert to fraction form
    251,949.90/347,683.74 = 137,225.94/x
  3. Step 3: Cross multiply
    251,949.90x = 347,683.74 × 137,225.94
  4. Step 4: Simplify right side
    251,949.90x = 47,711,228,044.22
  5. Step 5: Solve for x
    x = 47,711,228,044.22/251,949.90
  6. Step 6: Final answer
    x = 189,367.92

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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.