Home / 160,112.82-220,986.16-105,569.04

Finding the Fourth Proportional to 160,112.82, 220,986.16 and 105,569.04

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Solution

The fourth proportional to 160,112.82, 220,986.16 and 105,569.04 is: 145,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,112.82 : 220,986.16 = 105,569.04 : x
  2. Step 2: Convert to fraction form
    160,112.82/220,986.16 = 105,569.04/x
  3. Step 3: Cross multiply
    160,112.82x = 220,986.16 × 105,569.04
  4. Step 4: Simplify right side
    160,112.82x = 23,329,296,764.49
  5. Step 5: Solve for x
    x = 23,329,296,764.49/160,112.82
  6. Step 6: Final answer
    x = 145,705.36

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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.