Home / 103,333.68-155,002.32-28,453.44

Finding the Fourth Proportional to 103,333.68, 155,002.32 and 28,453.44

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Solution

The fourth proportional to 103,333.68, 155,002.32 and 28,453.44 is: 42,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,333.68 : 155,002.32 = 28,453.44 : x
  2. Step 2: Convert to fraction form
    103,333.68/155,002.32 = 28,453.44/x
  3. Step 3: Cross multiply
    103,333.68x = 155,002.32 × 28,453.44
  4. Step 4: Simplify right side
    103,333.68x = 4,410,349,211.98
  5. Step 5: Solve for x
    x = 4,410,349,211.98/103,333.68
  6. Step 6: Final answer
    x = 42,680.66

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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.