Home / 157,376.56-217,172.84-89,393.32

Finding the Fourth Proportional to 157,376.56, 217,172.84 and 89,393.32

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Solution

The fourth proportional to 157,376.56, 217,172.84 and 89,393.32 is: 123,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,376.56 : 217,172.84 = 89,393.32 : x
  2. Step 2: Convert to fraction form
    157,376.56/217,172.84 = 89,393.32/x
  3. Step 3: Cross multiply
    157,376.56x = 217,172.84 × 89,393.32
  4. Step 4: Simplify right side
    157,376.56x = 19,413,801,181.43
  5. Step 5: Solve for x
    x = 19,413,801,181.43/157,376.56
  6. Step 6: Final answer
    x = 123,358.91

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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.