Home / 161,345.56-222,639.82-89,714.02

Finding the Fourth Proportional to 161,345.56, 222,639.82 and 89,714.02

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Solution

The fourth proportional to 161,345.56, 222,639.82 and 89,714.02 is: 123,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,345.56 : 222,639.82 = 89,714.02 : x
  2. Step 2: Convert to fraction form
    161,345.56/222,639.82 = 89,714.02/x
  3. Step 3: Cross multiply
    161,345.56x = 222,639.82 × 89,714.02
  4. Step 4: Simplify right side
    161,345.56x = 19,973,913,264.28
  5. Step 5: Solve for x
    x = 19,973,913,264.28/161,345.56
  6. Step 6: Final answer
    x = 123,795.87

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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.