Home / 104,450.63-144,208.84-71,799.34

Finding the Fourth Proportional to 104,450.63, 144,208.84 and 71,799.34

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Solution

The fourth proportional to 104,450.63, 144,208.84 and 71,799.34 is: 99,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,450.63 : 144,208.84 = 71,799.34 : x
  2. Step 2: Convert to fraction form
    104,450.63/144,208.84 = 71,799.34/x
  3. Step 3: Cross multiply
    104,450.63x = 144,208.84 × 71,799.34
  4. Step 4: Simplify right side
    104,450.63x = 10,354,099,296.48
  5. Step 5: Solve for x
    x = 10,354,099,296.48/104,450.63
  6. Step 6: Final answer
    x = 99,129.13

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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.