Home / 68,267.16-102,400.50-30,840.36

Finding the Fourth Proportional to 68,267.16, 102,400.50 and 30,840.36

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Solution

The fourth proportional to 68,267.16, 102,400.50 and 30,840.36 is: 46,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,267.16 : 102,400.50 = 30,840.36 : x
  2. Step 2: Convert to fraction form
    68,267.16/102,400.50 = 30,840.36/x
  3. Step 3: Cross multiply
    68,267.16x = 102,400.50 × 30,840.36
  4. Step 4: Simplify right side
    68,267.16x = 3,158,068,284.18
  5. Step 5: Solve for x
    x = 3,158,068,284.18/68,267.16
  6. Step 6: Final answer
    x = 46,260.43

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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.