Home / 109,678.14-164,584.89-43,106.58

Finding the Fourth Proportional to 109,678.14, 164,584.89 and 43,106.58

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Solution

The fourth proportional to 109,678.14, 164,584.89 and 43,106.58 is: 64,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,678.14 : 164,584.89 = 43,106.58 : x
  2. Step 2: Convert to fraction form
    109,678.14/164,584.89 = 43,106.58/x
  3. Step 3: Cross multiply
    109,678.14x = 164,584.89 × 43,106.58
  4. Step 4: Simplify right side
    109,678.14x = 7,094,691,727.58
  5. Step 5: Solve for x
    x = 7,094,691,727.58/109,678.14
  6. Step 6: Final answer
    x = 64,686.47

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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.