Home / 102,369.08-153,501.42-76,835.24

Finding the Fourth Proportional to 102,369.08, 153,501.42 and 76,835.24

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Solution

The fourth proportional to 102,369.08, 153,501.42 and 76,835.24 is: 115,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,369.08 : 153,501.42 = 76,835.24 : x
  2. Step 2: Convert to fraction form
    102,369.08/153,501.42 = 76,835.24/x
  3. Step 3: Cross multiply
    102,369.08x = 153,501.42 × 76,835.24
  4. Step 4: Simplify right side
    102,369.08x = 11,794,318,446.04
  5. Step 5: Solve for x
    x = 11,794,318,446.04/102,369.08
  6. Step 6: Final answer
    x = 115,213.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.