Home / 204,899.76-282,750.84-115,470

Finding the Fourth Proportional to 204,899.76, 282,750.84 and 115,470

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Solution

The fourth proportional to 204,899.76, 282,750.84 and 115,470 is: 159,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,899.76 : 282,750.84 = 115,470 : x
  2. Step 2: Convert to fraction form
    204,899.76/282,750.84 = 115,470/x
  3. Step 3: Cross multiply
    204,899.76x = 282,750.84 × 115,470
  4. Step 4: Simplify right side
    204,899.76x = 32,649,239,494.80
  5. Step 5: Solve for x
    x = 32,649,239,494.80/204,899.76
  6. Step 6: Final answer
    x = 159,342.50

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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.