Home / 245,623.95-368,435.89-68,130.96

Finding the Fourth Proportional to 245,623.95, 368,435.89 and 68,130.96

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Solution

The fourth proportional to 245,623.95, 368,435.89 and 68,130.96 is: 102,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,623.95 : 368,435.89 = 68,130.96 : x
  2. Step 2: Convert to fraction form
    245,623.95/368,435.89 = 68,130.96/x
  3. Step 3: Cross multiply
    245,623.95x = 368,435.89 × 68,130.96
  4. Step 4: Simplify right side
    245,623.95x = 25,101,890,884.15
  5. Step 5: Solve for x
    x = 25,101,890,884.15/245,623.95
  6. Step 6: Final answer
    x = 102,196.43

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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.