Home / 161,277.79-222,570.94-89,659

Finding the Fourth Proportional to 161,277.79, 222,570.94 and 89,659

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Solution

The fourth proportional to 161,277.79, 222,570.94 and 89,659 is: 123,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,277.79 : 222,570.94 = 89,659 : x
  2. Step 2: Convert to fraction form
    161,277.79/222,570.94 = 89,659/x
  3. Step 3: Cross multiply
    161,277.79x = 222,570.94 × 89,659
  4. Step 4: Simplify right side
    161,277.79x = 19,955,487,461.17
  5. Step 5: Solve for x
    x = 19,955,487,461.17/161,277.79
  6. Step 6: Final answer
    x = 123,733.64

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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.