Home / 223,272.87-334,920.23-90,136.50

Finding the Fourth Proportional to 223,272.87, 334,920.23 and 90,136.50

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Solution

The fourth proportional to 223,272.87, 334,920.23 and 90,136.50 is: 135,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,272.87 : 334,920.23 = 90,136.50 : x
  2. Step 2: Convert to fraction form
    223,272.87/334,920.23 = 90,136.50/x
  3. Step 3: Cross multiply
    223,272.87x = 334,920.23 × 90,136.50
  4. Step 4: Simplify right side
    223,272.87x = 30,188,537,311.40
  5. Step 5: Solve for x
    x = 30,188,537,311.40/223,272.87
  6. Step 6: Final answer
    x = 135,209.16

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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.