Home / 107,806.28-161,701.85-40,325.45

Finding the Fourth Proportional to 107,806.28, 161,701.85 and 40,325.45

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Solution

The fourth proportional to 107,806.28, 161,701.85 and 40,325.45 is: 60,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,806.28 : 161,701.85 = 40,325.45 : x
  2. Step 2: Convert to fraction form
    107,806.28/161,701.85 = 40,325.45/x
  3. Step 3: Cross multiply
    107,806.28x = 161,701.85 × 40,325.45
  4. Step 4: Simplify right side
    107,806.28x = 6,520,699,159.39
  5. Step 5: Solve for x
    x = 6,520,699,159.39/107,806.28
  6. Step 6: Final answer
    x = 60,485.34

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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.