Home / 188,531.74-283,002.54-76,289.23

Finding the Fourth Proportional to 188,531.74, 283,002.54 and 76,289.23

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Solution

The fourth proportional to 188,531.74, 283,002.54 and 76,289.23 is: 114,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,531.74 : 283,002.54 = 76,289.23 : x
  2. Step 2: Convert to fraction form
    188,531.74/283,002.54 = 76,289.23/x
  3. Step 3: Cross multiply
    188,531.74x = 283,002.54 × 76,289.23
  4. Step 4: Simplify right side
    188,531.74x = 21,590,045,864.64
  5. Step 5: Solve for x
    x = 21,590,045,864.64/188,531.74
  6. Step 6: Final answer
    x = 114,516.77

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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.