Home / 109,972.60-164,942.70-31,094.80

Finding the Fourth Proportional to 109,972.60, 164,942.70 and 31,094.80

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Solution

The fourth proportional to 109,972.60, 164,942.70 and 31,094.80 is: 46,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.60 : 164,942.70 = 31,094.80 : x
  2. Step 2: Convert to fraction form
    109,972.60/164,942.70 = 31,094.80/x
  3. Step 3: Cross multiply
    109,972.60x = 164,942.70 × 31,094.80
  4. Step 4: Simplify right side
    109,972.60x = 5,128,860,267.96
  5. Step 5: Solve for x
    x = 5,128,860,267.96/109,972.60
  6. Step 6: Final answer
    x = 46,637.62

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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.