Home / 150,564.69-207,778.97-86,902.47

Finding the Fourth Proportional to 150,564.69, 207,778.97 and 86,902.47

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Solution

The fourth proportional to 150,564.69, 207,778.97 and 86,902.47 is: 119,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,564.69 : 207,778.97 = 86,902.47 : x
  2. Step 2: Convert to fraction form
    150,564.69/207,778.97 = 86,902.47/x
  3. Step 3: Cross multiply
    150,564.69x = 207,778.97 × 86,902.47
  4. Step 4: Simplify right side
    150,564.69x = 18,056,505,924.31
  5. Step 5: Solve for x
    x = 18,056,505,924.31/150,564.69
  6. Step 6: Final answer
    x = 119,925.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.