Home / 209,884.47-314,734.05-60,090.77

Finding the Fourth Proportional to 209,884.47, 314,734.05 and 60,090.77

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Solution

The fourth proportional to 209,884.47, 314,734.05 and 60,090.77 is: 90,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,884.47 : 314,734.05 = 60,090.77 : x
  2. Step 2: Convert to fraction form
    209,884.47/314,734.05 = 60,090.77/x
  3. Step 3: Cross multiply
    209,884.47x = 314,734.05 × 60,090.77
  4. Step 4: Simplify right side
    209,884.47x = 18,912,609,836.05
  5. Step 5: Solve for x
    x = 18,912,609,836.05/209,884.47
  6. Step 6: Final answer
    x = 90,109.62

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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.