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Finding the Fourth Proportional to 180,237.33, 248,714.69 and 99,650.03

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Solution

The fourth proportional to 180,237.33, 248,714.69 and 99,650.03 is: 137,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,237.33 : 248,714.69 = 99,650.03 : x
  2. Step 2: Convert to fraction form
    180,237.33/248,714.69 = 99,650.03/x
  3. Step 3: Cross multiply
    180,237.33x = 248,714.69 × 99,650.03
  4. Step 4: Simplify right side
    180,237.33x = 24,784,424,578.12
  5. Step 5: Solve for x
    x = 24,784,424,578.12/180,237.33
  6. Step 6: Final answer
    x = 137,509.94

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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.