Home / 163,408.20-245,112.30-88,564.20

Finding the Fourth Proportional to 163,408.20, 245,112.30 and 88,564.20

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Solution

The fourth proportional to 163,408.20, 245,112.30 and 88,564.20 is: 132,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,408.20 : 245,112.30 = 88,564.20 : x
  2. Step 2: Convert to fraction form
    163,408.20/245,112.30 = 88,564.20/x
  3. Step 3: Cross multiply
    163,408.20x = 245,112.30 × 88,564.20
  4. Step 4: Simplify right side
    163,408.20x = 21,708,174,759.66
  5. Step 5: Solve for x
    x = 21,708,174,759.66/163,408.20
  6. Step 6: Final answer
    x = 132,846.30

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1.5x scale

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.