Home / 161,100.48-222,312.46-89,485.08

Finding the Fourth Proportional to 161,100.48, 222,312.46 and 89,485.08

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Solution

The fourth proportional to 161,100.48, 222,312.46 and 89,485.08 is: 123,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,100.48 : 222,312.46 = 89,485.08 : x
  2. Step 2: Convert to fraction form
    161,100.48/222,312.46 = 89,485.08/x
  3. Step 3: Cross multiply
    161,100.48x = 222,312.46 × 89,485.08
  4. Step 4: Simplify right side
    161,100.48x = 19,893,648,268.10
  5. Step 5: Solve for x
    x = 19,893,648,268.10/161,100.48
  6. Step 6: Final answer
    x = 123,485.97

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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.