Home / 142,701.84-214,095.96-53,982.54

Finding the Fourth Proportional to 142,701.84, 214,095.96 and 53,982.54

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Solution

The fourth proportional to 142,701.84, 214,095.96 and 53,982.54 is: 80,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,701.84 : 214,095.96 = 53,982.54 : x
  2. Step 2: Convert to fraction form
    142,701.84/214,095.96 = 53,982.54/x
  3. Step 3: Cross multiply
    142,701.84x = 214,095.96 × 53,982.54
  4. Step 4: Simplify right side
    142,701.84x = 11,557,443,724.54
  5. Step 5: Solve for x
    x = 11,557,443,724.54/142,701.84
  6. Step 6: Final answer
    x = 80,990.15

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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.