Home / 251,683.11-347,244.48-142,769.52

Finding the Fourth Proportional to 251,683.11, 347,244.48 and 142,769.52

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Solution

The fourth proportional to 251,683.11, 347,244.48 and 142,769.52 is: 196,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,683.11 : 347,244.48 = 142,769.52 : x
  2. Step 2: Convert to fraction form
    251,683.11/347,244.48 = 142,769.52/x
  3. Step 3: Cross multiply
    251,683.11x = 347,244.48 × 142,769.52
  4. Step 4: Simplify right side
    251,683.11x = 49,575,927,732.25
  5. Step 5: Solve for x
    x = 49,575,927,732.25/251,683.11
  6. Step 6: Final answer
    x = 196,977.57

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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.