Home / 199,637.56-275,495.55-108,989.11

Finding the Fourth Proportional to 199,637.56, 275,495.55 and 108,989.11

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Solution

The fourth proportional to 199,637.56, 275,495.55 and 108,989.11 is: 150,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,637.56 : 275,495.55 = 108,989.11 : x
  2. Step 2: Convert to fraction form
    199,637.56/275,495.55 = 108,989.11/x
  3. Step 3: Cross multiply
    199,637.56x = 275,495.55 × 108,989.11
  4. Step 4: Simplify right side
    199,637.56x = 30,026,014,803.46
  5. Step 5: Solve for x
    x = 30,026,014,803.46/199,637.56
  6. Step 6: Final answer
    x = 150,402.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.