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Finding the Fourth Proportional to 188,522.44, 260,154.37 and 103,638.89

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Solution

The fourth proportional to 188,522.44, 260,154.37 and 103,638.89 is: 143,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,522.44 : 260,154.37 = 103,638.89 : x
  2. Step 2: Convert to fraction form
    188,522.44/260,154.37 = 103,638.89/x
  3. Step 3: Cross multiply
    188,522.44x = 260,154.37 × 103,638.89
  4. Step 4: Simplify right side
    188,522.44x = 26,962,110,135.45
  5. Step 5: Solve for x
    x = 26,962,110,135.45/188,522.44
  6. Step 6: Final answer
    x = 143,018.04

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1.5x scale

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.