Home / 68,159.40-102,264.48-30,708.24

Finding the Fourth Proportional to 68,159.40, 102,264.48 and 30,708.24

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Solution

The fourth proportional to 68,159.40, 102,264.48 and 30,708.24 is: 46,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159.40 : 102,264.48 = 30,708.24 : x
  2. Step 2: Convert to fraction form
    68,159.40/102,264.48 = 30,708.24/x
  3. Step 3: Cross multiply
    68,159.40x = 102,264.48 × 30,708.24
  4. Step 4: Simplify right side
    68,159.40x = 3,140,362,195.32
  5. Step 5: Solve for x
    x = 3,140,362,195.32/68,159.40
  6. Step 6: Final answer
    x = 46,073.79

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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.