Home / 168,814.60-232,989.42-105,172.90

Finding the Fourth Proportional to 168,814.60, 232,989.42 and 105,172.90

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Solution

The fourth proportional to 168,814.60, 232,989.42 and 105,172.90 is: 145,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,814.60 : 232,989.42 = 105,172.90 : x
  2. Step 2: Convert to fraction form
    168,814.60/232,989.42 = 105,172.90/x
  3. Step 3: Cross multiply
    168,814.60x = 232,989.42 × 105,172.90
  4. Step 4: Simplify right side
    168,814.60x = 24,504,172,970.72
  5. Step 5: Solve for x
    x = 24,504,172,970.72/168,814.60
  6. Step 6: Final answer
    x = 145,154.35

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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.