Home / 110,730.60-166,095.90-102,857.40

Finding the Fourth Proportional to 110,730.60, 166,095.90 and 102,857.40

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Solution

The fourth proportional to 110,730.60, 166,095.90 and 102,857.40 is: 154,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,730.60 : 166,095.90 = 102,857.40 : x
  2. Step 2: Convert to fraction form
    110,730.60/166,095.90 = 102,857.40/x
  3. Step 3: Cross multiply
    110,730.60x = 166,095.90 × 102,857.40
  4. Step 4: Simplify right side
    110,730.60x = 17,084,192,424.66
  5. Step 5: Solve for x
    x = 17,084,192,424.66/110,730.60
  6. Step 6: Final answer
    x = 154,286.10

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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.