Home / 100,708.28-151,066.51-41,538.31

Finding the Fourth Proportional to 100,708.28, 151,066.51 and 41,538.31

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Solution

The fourth proportional to 100,708.28, 151,066.51 and 41,538.31 is: 62,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,708.28 : 151,066.51 = 41,538.31 : x
  2. Step 2: Convert to fraction form
    100,708.28/151,066.51 = 41,538.31/x
  3. Step 3: Cross multiply
    100,708.28x = 151,066.51 × 41,538.31
  4. Step 4: Simplify right side
    100,708.28x = 6,275,047,041.49
  5. Step 5: Solve for x
    x = 6,275,047,041.49/100,708.28
  6. Step 6: Final answer
    x = 62,309.15

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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.