Home / 104,799.51-144,618.78-57,053.02

Finding the Fourth Proportional to 104,799.51, 144,618.78 and 57,053.02

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Solution

The fourth proportional to 104,799.51, 144,618.78 and 57,053.02 is: 78,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.51 : 144,618.78 = 57,053.02 : x
  2. Step 2: Convert to fraction form
    104,799.51/144,618.78 = 57,053.02/x
  3. Step 3: Cross multiply
    104,799.51x = 144,618.78 × 57,053.02
  4. Step 4: Simplify right side
    104,799.51x = 8,250,938,147.72
  5. Step 5: Solve for x
    x = 8,250,938,147.72/104,799.51
  6. Step 6: Final answer
    x = 78,730.69

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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.