Home / 104,836.05-144,679.82-78,948.25

Finding the Fourth Proportional to 104,836.05, 144,679.82 and 78,948.25

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Solution

The fourth proportional to 104,836.05, 144,679.82 and 78,948.25 is: 108,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,836.05 : 144,679.82 = 78,948.25 : x
  2. Step 2: Convert to fraction form
    104,836.05/144,679.82 = 78,948.25/x
  3. Step 3: Cross multiply
    104,836.05x = 144,679.82 × 78,948.25
  4. Step 4: Simplify right side
    104,836.05x = 11,422,218,599.32
  5. Step 5: Solve for x
    x = 11,422,218,599.32/104,836.05
  6. Step 6: Final answer
    x = 108,953.16

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1.5x scale

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.