Home / 161,362.87-222,677.58-89,741.35

Finding the Fourth Proportional to 161,362.87, 222,677.58 and 89,741.35

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Solution

The fourth proportional to 161,362.87, 222,677.58 and 89,741.35 is: 123,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,362.87 : 222,677.58 = 89,741.35 : x
  2. Step 2: Convert to fraction form
    161,362.87/222,677.58 = 89,741.35/x
  3. Step 3: Cross multiply
    161,362.87x = 222,677.58 × 89,741.35
  4. Step 4: Simplify right side
    161,362.87x = 19,983,386,643.93
  5. Step 5: Solve for x
    x = 19,983,386,643.93/161,362.87
  6. Step 6: Final answer
    x = 123,841.29

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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.