Home / 229,136.80-343,567.12-102,754.20

Finding the Fourth Proportional to 229,136.80, 343,567.12 and 102,754.20

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Solution

The fourth proportional to 229,136.80, 343,567.12 and 102,754.20 is: 154,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,136.80 : 343,567.12 = 102,754.20 : x
  2. Step 2: Convert to fraction form
    229,136.80/343,567.12 = 102,754.20/x
  3. Step 3: Cross multiply
    229,136.80x = 343,567.12 × 102,754.20
  4. Step 4: Simplify right side
    229,136.80x = 35,302,964,561.90
  5. Step 5: Solve for x
    x = 35,302,964,561.90/229,136.80
  6. Step 6: Final answer
    x = 154,069.38

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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.