Home / 213,156.30-319,734.48-108,005.34

Finding the Fourth Proportional to 213,156.30, 319,734.48 and 108,005.34

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Solution

The fourth proportional to 213,156.30, 319,734.48 and 108,005.34 is: 162,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,156.30 : 319,734.48 = 108,005.34 : x
  2. Step 2: Convert to fraction form
    213,156.30/319,734.48 = 108,005.34/x
  3. Step 3: Cross multiply
    213,156.30x = 319,734.48 × 108,005.34
  4. Step 4: Simplify right side
    213,156.30x = 34,533,031,222.12
  5. Step 5: Solve for x
    x = 34,533,031,222.12/213,156.30
  6. Step 6: Final answer
    x = 162,008.03

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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.