Home / 89,235.20-133,818.68-30,054.96

Finding the Fourth Proportional to 89,235.20, 133,818.68 and 30,054.96

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Solution

The fourth proportional to 89,235.20, 133,818.68 and 30,054.96 is: 45,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.20 : 133,818.68 = 30,054.96 : x
  2. Step 2: Convert to fraction form
    89,235.20/133,818.68 = 30,054.96/x
  3. Step 3: Cross multiply
    89,235.20x = 133,818.68 × 30,054.96
  4. Step 4: Simplify right side
    89,235.20x = 4,021,915,074.65
  5. Step 5: Solve for x
    x = 4,021,915,074.65/89,235.20
  6. Step 6: Final answer
    x = 45,070.95

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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.