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Finding the Fourth Proportional to 164,730.27, 247,046.40 and 69,959.10

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Solution

The fourth proportional to 164,730.27, 247,046.40 and 69,959.10 is: 104,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,730.27 : 247,046.40 = 69,959.10 : x
  2. Step 2: Convert to fraction form
    164,730.27/247,046.40 = 69,959.10/x
  3. Step 3: Cross multiply
    164,730.27x = 247,046.40 × 69,959.10
  4. Step 4: Simplify right side
    164,730.27x = 17,283,143,802.24
  5. Step 5: Solve for x
    x = 17,283,143,802.24/164,730.27
  6. Step 6: Final answer
    x = 104,917.84

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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.