Home / 135,442.14-186,911.74-75,013.96

Finding the Fourth Proportional to 135,442.14, 186,911.74 and 75,013.96

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Solution

The fourth proportional to 135,442.14, 186,911.74 and 75,013.96 is: 103,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,442.14 : 186,911.74 = 75,013.96 : x
  2. Step 2: Convert to fraction form
    135,442.14/186,911.74 = 75,013.96/x
  3. Step 3: Cross multiply
    135,442.14x = 186,911.74 × 75,013.96
  4. Step 4: Simplify right side
    135,442.14x = 14,020,989,787.89
  5. Step 5: Solve for x
    x = 14,020,989,787.89/135,442.14
  6. Step 6: Final answer
    x = 103,520.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.