Home / 157,518.57-217,381.08-89,538.39

Finding the Fourth Proportional to 157,518.57, 217,381.08 and 89,538.39

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Solution

The fourth proportional to 157,518.57, 217,381.08 and 89,538.39 is: 123,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,518.57 : 217,381.08 = 89,538.39 : x
  2. Step 2: Convert to fraction form
    157,518.57/217,381.08 = 89,538.39/x
  3. Step 3: Cross multiply
    157,518.57x = 217,381.08 × 89,538.39
  4. Step 4: Simplify right side
    157,518.57x = 19,463,951,919.66
  5. Step 5: Solve for x
    x = 19,463,951,919.66/157,518.57
  6. Step 6: Final answer
    x = 123,566.08

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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.