Home / 151,287.06-208,774.44-83,302.68

Finding the Fourth Proportional to 151,287.06, 208,774.44 and 83,302.68

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Solution

The fourth proportional to 151,287.06, 208,774.44 and 83,302.68 is: 114,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,287.06 : 208,774.44 = 83,302.68 : x
  2. Step 2: Convert to fraction form
    151,287.06/208,774.44 = 83,302.68/x
  3. Step 3: Cross multiply
    151,287.06x = 208,774.44 × 83,302.68
  4. Step 4: Simplify right side
    151,287.06x = 17,391,470,367.50
  5. Step 5: Solve for x
    x = 17,391,470,367.50/151,287.06
  6. Step 6: Final answer
    x = 114,956.76

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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.