Home / 105,970.44-158,920.56-42,774.24

Finding the Fourth Proportional to 105,970.44, 158,920.56 and 42,774.24

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Solution

The fourth proportional to 105,970.44, 158,920.56 and 42,774.24 is: 64,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,970.44 : 158,920.56 = 42,774.24 : x
  2. Step 2: Convert to fraction form
    105,970.44/158,920.56 = 42,774.24/x
  3. Step 3: Cross multiply
    105,970.44x = 158,920.56 × 42,774.24
  4. Step 4: Simplify right side
    105,970.44x = 6,797,706,174.37
  5. Step 5: Solve for x
    x = 6,797,706,174.37/105,970.44
  6. Step 6: Final answer
    x = 64,147.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.