Home / 236,722.68-355,141.14-78,952.44

Finding the Fourth Proportional to 236,722.68, 355,141.14 and 78,952.44

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Solution

The fourth proportional to 236,722.68, 355,141.14 and 78,952.44 is: 118,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,722.68 : 355,141.14 = 78,952.44 : x
  2. Step 2: Convert to fraction form
    236,722.68/355,141.14 = 78,952.44/x
  3. Step 3: Cross multiply
    236,722.68x = 355,141.14 × 78,952.44
  4. Step 4: Simplify right side
    236,722.68x = 28,039,259,547.38
  5. Step 5: Solve for x
    x = 28,039,259,547.38/236,722.68
  6. Step 6: Final answer
    x = 118,447.71

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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.