Home / 123,576.80-185,363.68-30,083.36

Finding the Fourth Proportional to 123,576.80, 185,363.68 and 30,083.36

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Solution

The fourth proportional to 123,576.80, 185,363.68 and 30,083.36 is: 45,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,576.80 : 185,363.68 = 30,083.36 : x
  2. Step 2: Convert to fraction form
    123,576.80/185,363.68 = 30,083.36/x
  3. Step 3: Cross multiply
    123,576.80x = 185,363.68 × 30,083.36
  4. Step 4: Simplify right side
    123,576.80x = 5,576,362,316.36
  5. Step 5: Solve for x
    x = 5,576,362,316.36/123,576.80
  6. Step 6: Final answer
    x = 45,124.67

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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.