Home / 163,984.20-245,976.30-137,740.20

Finding the Fourth Proportional to 163,984.20, 245,976.30 and 137,740.20

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Solution

The fourth proportional to 163,984.20, 245,976.30 and 137,740.20 is: 206,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,984.20 : 245,976.30 = 137,740.20 : x
  2. Step 2: Convert to fraction form
    163,984.20/245,976.30 = 137,740.20/x
  3. Step 3: Cross multiply
    163,984.20x = 245,976.30 × 137,740.20
  4. Step 4: Simplify right side
    163,984.20x = 33,880,824,757.26
  5. Step 5: Solve for x
    x = 33,880,824,757.26/163,984.20
  6. Step 6: Final answer
    x = 206,610.30

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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.