Home / 213,369.04-319,983.20-71,175.13

Finding the Fourth Proportional to 213,369.04, 319,983.20 and 71,175.13

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Solution

The fourth proportional to 213,369.04, 319,983.20 and 71,175.13 is: 106,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,369.04 : 319,983.20 = 71,175.13 : x
  2. Step 2: Convert to fraction form
    213,369.04/319,983.20 = 71,175.13/x
  3. Step 3: Cross multiply
    213,369.04x = 319,983.20 × 71,175.13
  4. Step 4: Simplify right side
    213,369.04x = 22,774,843,902.02
  5. Step 5: Solve for x
    x = 22,774,843,902.02/213,369.04
  6. Step 6: Final answer
    x = 106,739.22

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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.