Home / 157,541.37-217,398.42-89,548.89

Finding the Fourth Proportional to 157,541.37, 217,398.42 and 89,548.89

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Solution

The fourth proportional to 157,541.37, 217,398.42 and 89,548.89 is: 123,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,541.37 : 217,398.42 = 89,548.89 : x
  2. Step 2: Convert to fraction form
    157,541.37/217,398.42 = 89,548.89/x
  3. Step 3: Cross multiply
    157,541.37x = 217,398.42 × 89,548.89
  4. Step 4: Simplify right side
    157,541.37x = 19,467,787,198.75
  5. Step 5: Solve for x
    x = 19,467,787,198.75/157,541.37
  6. Step 6: Final answer
    x = 123,572.54

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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.