Home / 157,733.79-217,664.44-89,749.38

Finding the Fourth Proportional to 157,733.79, 217,664.44 and 89,749.38

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Solution

The fourth proportional to 157,733.79, 217,664.44 and 89,749.38 is: 123,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,733.79 : 217,664.44 = 89,749.38 : x
  2. Step 2: Convert to fraction form
    157,733.79/217,664.44 = 89,749.38/x
  3. Step 3: Cross multiply
    157,733.79x = 217,664.44 × 89,749.38
  4. Step 4: Simplify right side
    157,733.79x = 19,535,248,538.05
  5. Step 5: Solve for x
    x = 19,535,248,538.05/157,733.79
  6. Step 6: Final answer
    x = 123,849.48

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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.