Home / 89,316.45-133,986.60-47,198.30

Finding the Fourth Proportional to 89,316.45, 133,986.60 and 47,198.30

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Solution

The fourth proportional to 89,316.45, 133,986.60 and 47,198.30 is: 70,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.45 : 133,986.60 = 47,198.30 : x
  2. Step 2: Convert to fraction form
    89,316.45/133,986.60 = 47,198.30/x
  3. Step 3: Cross multiply
    89,316.45x = 133,986.60 × 47,198.30
  4. Step 4: Simplify right side
    89,316.45x = 6,323,939,072.85
  5. Step 5: Solve for x
    x = 6,323,939,072.85/89,316.45
  6. Step 6: Final answer
    x = 70,803.74

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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.