Home / 163,556.20-245,334.30-84,824.20

Finding the Fourth Proportional to 163,556.20, 245,334.30 and 84,824.20

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Solution

The fourth proportional to 163,556.20, 245,334.30 and 84,824.20 is: 127,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,556.20 : 245,334.30 = 84,824.20 : x
  2. Step 2: Convert to fraction form
    163,556.20/245,334.30 = 84,824.20/x
  3. Step 3: Cross multiply
    163,556.20x = 245,334.30 × 84,824.20
  4. Step 4: Simplify right side
    163,556.20x = 20,810,285,730.06
  5. Step 5: Solve for x
    x = 20,810,285,730.06/163,556.20
  6. Step 6: Final answer
    x = 127,236.30

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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.