Home / 213,276.16-320,111.04-108,168.94

Finding the Fourth Proportional to 213,276.16, 320,111.04 and 108,168.94

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Solution

The fourth proportional to 213,276.16, 320,111.04 and 108,168.94 is: 162,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,276.16 : 320,111.04 = 108,168.94 : x
  2. Step 2: Convert to fraction form
    213,276.16/320,111.04 = 108,168.94/x
  3. Step 3: Cross multiply
    213,276.16x = 320,111.04 × 108,168.94
  4. Step 4: Simplify right side
    213,276.16x = 34,626,071,879.10
  5. Step 5: Solve for x
    x = 34,626,071,879.10/213,276.16
  6. Step 6: Final answer
    x = 162,353.22

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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.