Home / 261,912.36-361,429.50-160,108.32

Finding the Fourth Proportional to 261,912.36, 361,429.50 and 160,108.32

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Solution

The fourth proportional to 261,912.36, 361,429.50 and 160,108.32 is: 220,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,912.36 : 361,429.50 = 160,108.32 : x
  2. Step 2: Convert to fraction form
    261,912.36/361,429.50 = 160,108.32/x
  3. Step 3: Cross multiply
    261,912.36x = 361,429.50 × 160,108.32
  4. Step 4: Simplify right side
    261,912.36x = 57,867,870,043.44
  5. Step 5: Solve for x
    x = 57,867,870,043.44/261,912.36
  6. Step 6: Final answer
    x = 220,943.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.