Home / 122,114.60-182,953.20-108,117.80

Finding the Fourth Proportional to 122,114.60, 182,953.20 and 108,117.80

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Solution

The fourth proportional to 122,114.60, 182,953.20 and 108,117.80 is: 161,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,114.60 : 182,953.20 = 108,117.80 : x
  2. Step 2: Convert to fraction form
    122,114.60/182,953.20 = 108,117.80/x
  3. Step 3: Cross multiply
    122,114.60x = 182,953.20 × 108,117.80
  4. Step 4: Simplify right side
    122,114.60x = 19,780,497,486.96
  5. Step 5: Solve for x
    x = 19,780,497,486.96/122,114.60
  6. Step 6: Final answer
    x = 161,983.07

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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.