Home / 110,875.80-166,281.30-39,790.20

Finding the Fourth Proportional to 110,875.80, 166,281.30 and 39,790.20

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Solution

The fourth proportional to 110,875.80, 166,281.30 and 39,790.20 is: 59,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,875.80 : 166,281.30 = 39,790.20 : x
  2. Step 2: Convert to fraction form
    110,875.80/166,281.30 = 39,790.20/x
  3. Step 3: Cross multiply
    110,875.80x = 166,281.30 × 39,790.20
  4. Step 4: Simplify right side
    110,875.80x = 6,616,366,183.26
  5. Step 5: Solve for x
    x = 6,616,366,183.26/110,875.80
  6. Step 6: Final answer
    x = 59,673.67

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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.