Home / 151,474.36-209,036.09-83,494

Finding the Fourth Proportional to 151,474.36, 209,036.09 and 83,494

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Solution

The fourth proportional to 151,474.36, 209,036.09 and 83,494 is: 115,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,474.36 : 209,036.09 = 83,494 : x
  2. Step 2: Convert to fraction form
    151,474.36/209,036.09 = 83,494/x
  3. Step 3: Cross multiply
    151,474.36x = 209,036.09 × 83,494
  4. Step 4: Simplify right side
    151,474.36x = 17,453,259,298.46
  5. Step 5: Solve for x
    x = 17,453,259,298.46/151,474.36
  6. Step 6: Final answer
    x = 115,222.53

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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.