Home / 150,564.64-207,257.73-130,137.40

Finding the Fourth Proportional to 150,564.64, 207,257.73 and 130,137.40

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Solution

The fourth proportional to 150,564.64, 207,257.73 and 130,137.40 is: 179,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,564.64 : 207,257.73 = 130,137.40 : x
  2. Step 2: Convert to fraction form
    150,564.64/207,257.73 = 130,137.40/x
  3. Step 3: Cross multiply
    150,564.64x = 207,257.73 × 130,137.40
  4. Step 4: Simplify right side
    150,564.64x = 26,971,982,112.10
  5. Step 5: Solve for x
    x = 26,971,982,112.10/150,564.64
  6. Step 6: Final answer
    x = 179,138.89

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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.