Home / 188,522.37-260,165.91-102,487.12

Finding the Fourth Proportional to 188,522.37, 260,165.91 and 102,487.12

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Solution

The fourth proportional to 188,522.37, 260,165.91 and 102,487.12 is: 141,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,522.37 : 260,165.91 = 102,487.12 : x
  2. Step 2: Convert to fraction form
    188,522.37/260,165.91 = 102,487.12/x
  3. Step 3: Cross multiply
    188,522.37x = 260,165.91 × 102,487.12
  4. Step 4: Simplify right side
    188,522.37x = 26,663,653,024.81
  5. Step 5: Solve for x
    x = 26,663,653,024.81/188,522.37
  6. Step 6: Final answer
    x = 141,434.96

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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.