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Finding the Fourth Proportional to 115,702, 173,486.58 and 45,543.04

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Solution

The fourth proportional to 115,702, 173,486.58 and 45,543.04 is: 68,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,702 : 173,486.58 = 45,543.04 : x
  2. Step 2: Convert to fraction form
    115,702/173,486.58 = 45,543.04/x
  3. Step 3: Cross multiply
    115,702x = 173,486.58 × 45,543.04
  4. Step 4: Simplify right side
    115,702x = 7,901,106,252.40
  5. Step 5: Solve for x
    x = 7,901,106,252.40/115,702
  6. Step 6: Final answer
    x = 68,288.42

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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.