Home / 161,289.53-222,584.36-88,688.64

Finding the Fourth Proportional to 161,289.53, 222,584.36 and 88,688.64

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Solution

The fourth proportional to 161,289.53, 222,584.36 and 88,688.64 is: 122,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289.53 : 222,584.36 = 88,688.64 : x
  2. Step 2: Convert to fraction form
    161,289.53/222,584.36 = 88,688.64/x
  3. Step 3: Cross multiply
    161,289.53x = 222,584.36 × 88,688.64
  4. Step 4: Simplify right side
    161,289.53x = 19,740,703,730.23
  5. Step 5: Solve for x
    x = 19,740,703,730.23/161,289.53
  6. Step 6: Final answer
    x = 122,392.97

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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.