Home / 105,708.17-158,560.13-25,746.59

Finding the Fourth Proportional to 105,708.17, 158,560.13 and 25,746.59

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Solution

The fourth proportional to 105,708.17, 158,560.13 and 25,746.59 is: 38,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,708.17 : 158,560.13 = 25,746.59 : x
  2. Step 2: Convert to fraction form
    105,708.17/158,560.13 = 25,746.59/x
  3. Step 3: Cross multiply
    105,708.17x = 158,560.13 × 25,746.59
  4. Step 4: Simplify right side
    105,708.17x = 4,082,383,118.22
  5. Step 5: Solve for x
    x = 4,082,383,118.22/105,708.17
  6. Step 6: Final answer
    x = 38,619.37

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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.