Home / 105,419.77-158,150.82-38,860.24

Finding the Fourth Proportional to 105,419.77, 158,150.82 and 38,860.24

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Solution

The fourth proportional to 105,419.77, 158,150.82 and 38,860.24 is: 58,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,419.77 : 158,150.82 = 38,860.24 : x
  2. Step 2: Convert to fraction form
    105,419.77/158,150.82 = 38,860.24/x
  3. Step 3: Cross multiply
    105,419.77x = 158,150.82 × 38,860.24
  4. Step 4: Simplify right side
    105,419.77x = 6,145,778,821.40
  5. Step 5: Solve for x
    x = 6,145,778,821.40/105,419.77
  6. Step 6: Final answer
    x = 58,298.16

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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.