Home / 161,532.55-222,914.93-89,911.04

Finding the Fourth Proportional to 161,532.55, 222,914.93 and 89,911.04

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Solution

The fourth proportional to 161,532.55, 222,914.93 and 89,911.04 is: 124,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532.55 : 222,914.93 = 89,911.04 : x
  2. Step 2: Convert to fraction form
    161,532.55/222,914.93 = 89,911.04/x
  3. Step 3: Cross multiply
    161,532.55x = 222,914.93 × 89,911.04
  4. Step 4: Simplify right side
    161,532.55x = 20,042,513,187.83
  5. Step 5: Solve for x
    x = 20,042,513,187.83/161,532.55
  6. Step 6: Final answer
    x = 124,077.24

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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.