Home / 213,136.04-319,604.70-63,321.32

Finding the Fourth Proportional to 213,136.04, 319,604.70 and 63,321.32

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Solution

The fourth proportional to 213,136.04, 319,604.70 and 63,321.32 is: 94,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.04 : 319,604.70 = 63,321.32 : x
  2. Step 2: Convert to fraction form
    213,136.04/319,604.70 = 63,321.32/x
  3. Step 3: Cross multiply
    213,136.04x = 319,604.70 × 63,321.32
  4. Step 4: Simplify right side
    213,136.04x = 20,237,791,482.20
  5. Step 5: Solve for x
    x = 20,237,791,482.20/213,136.04
  6. Step 6: Final answer
    x = 94,952.46

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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.