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Finding the Fourth Proportional to 183,619.52, 253,389.28 and 101,946

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Solution

The fourth proportional to 183,619.52, 253,389.28 and 101,946 is: 140,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,619.52 : 253,389.28 = 101,946 : x
  2. Step 2: Convert to fraction form
    183,619.52/253,389.28 = 101,946/x
  3. Step 3: Cross multiply
    183,619.52x = 253,389.28 × 101,946
  4. Step 4: Simplify right side
    183,619.52x = 25,832,023,538.88
  5. Step 5: Solve for x
    x = 25,832,023,538.88/183,619.52
  6. Step 6: Final answer
    x = 140,682.34

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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.