Home / 183,638.10-253,388.58-103,069.02

Finding the Fourth Proportional to 183,638.10, 253,388.58 and 103,069.02

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Solution

The fourth proportional to 183,638.10, 253,388.58 and 103,069.02 is: 142,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,638.10 : 253,388.58 = 103,069.02 : x
  2. Step 2: Convert to fraction form
    183,638.10/253,388.58 = 103,069.02/x
  3. Step 3: Cross multiply
    183,638.10x = 253,388.58 × 103,069.02
  4. Step 4: Simplify right side
    183,638.10x = 26,116,512,619.79
  5. Step 5: Solve for x
    x = 26,116,512,619.79/183,638.10
  6. Step 6: Final answer
    x = 142,217.29

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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.