Home / 209,352.76-314,133.03-82,990.33

Finding the Fourth Proportional to 209,352.76, 314,133.03 and 82,990.33

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Solution

The fourth proportional to 209,352.76, 314,133.03 and 82,990.33 is: 124,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,352.76 : 314,133.03 = 82,990.33 : x
  2. Step 2: Convert to fraction form
    209,352.76/314,133.03 = 82,990.33/x
  3. Step 3: Cross multiply
    209,352.76x = 314,133.03 × 82,990.33
  4. Step 4: Simplify right side
    209,352.76x = 26,070,003,823.60
  5. Step 5: Solve for x
    x = 26,070,003,823.60/209,352.76
  6. Step 6: Final answer
    x = 124,526.68

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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.