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Finding the Fourth Proportional to 178,483.48, 246,291.50 and 101,987.37

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Solution

The fourth proportional to 178,483.48, 246,291.50 and 101,987.37 is: 140,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,483.48 : 246,291.50 = 101,987.37 : x
  2. Step 2: Convert to fraction form
    178,483.48/246,291.50 = 101,987.37/x
  3. Step 3: Cross multiply
    178,483.48x = 246,291.50 × 101,987.37
  4. Step 4: Simplify right side
    178,483.48x = 25,118,622,593.32
  5. Step 5: Solve for x
    x = 25,118,622,593.32/178,483.48
  6. Step 6: Final answer
    x = 140,733.60

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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.