Home / 163,629.20-245,098.20-135,981.20

Finding the Fourth Proportional to 163,629.20, 245,098.20 and 135,981.20

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Solution

The fourth proportional to 163,629.20, 245,098.20 and 135,981.20 is: 203,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,629.20 : 245,098.20 = 135,981.20 : x
  2. Step 2: Convert to fraction form
    163,629.20/245,098.20 = 135,981.20/x
  3. Step 3: Cross multiply
    163,629.20x = 245,098.20 × 135,981.20
  4. Step 4: Simplify right side
    163,629.20x = 33,328,747,353.84
  5. Step 5: Solve for x
    x = 33,328,747,353.84/163,629.20
  6. Step 6: Final answer
    x = 203,684.60

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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.