Home / 205,126.16-307,689.26-163,835.60

Finding the Fourth Proportional to 205,126.16, 307,689.26 and 163,835.60

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Solution

The fourth proportional to 205,126.16, 307,689.26 and 163,835.60 is: 245,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,126.16 : 307,689.26 = 163,835.60 : x
  2. Step 2: Convert to fraction form
    205,126.16/307,689.26 = 163,835.60/x
  3. Step 3: Cross multiply
    205,126.16x = 307,689.26 × 163,835.60
  4. Step 4: Simplify right side
    205,126.16x = 50,410,454,525.66
  5. Step 5: Solve for x
    x = 50,410,454,525.66/205,126.16
  6. Step 6: Final answer
    x = 245,753.42

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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.