Home / 151,224.09-208,689.99-83,247.87

Finding the Fourth Proportional to 151,224.09, 208,689.99 and 83,247.87

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Solution

The fourth proportional to 151,224.09, 208,689.99 and 83,247.87 is: 114,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,224.09 : 208,689.99 = 83,247.87 : x
  2. Step 2: Convert to fraction form
    151,224.09/208,689.99 = 83,247.87/x
  3. Step 3: Cross multiply
    151,224.09x = 208,689.99 × 83,247.87
  4. Step 4: Simplify right side
    151,224.09x = 17,372,997,157.82
  5. Step 5: Solve for x
    x = 17,372,997,157.82/151,224.09
  6. Step 6: Final answer
    x = 114,882.47

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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.