Home / 213,496.08-320,232.48-108,312.28

Finding the Fourth Proportional to 213,496.08, 320,232.48 and 108,312.28

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Solution

The fourth proportional to 213,496.08, 320,232.48 and 108,312.28 is: 162,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,496.08 : 320,232.48 = 108,312.28 : x
  2. Step 2: Convert to fraction form
    213,496.08/320,232.48 = 108,312.28/x
  3. Step 3: Cross multiply
    213,496.08x = 320,232.48 × 108,312.28
  4. Step 4: Simplify right side
    213,496.08x = 34,685,110,038.85
  5. Step 5: Solve for x
    x = 34,685,110,038.85/213,496.08
  6. Step 6: Final answer
    x = 162,462.51

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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.