Home / 152,449.21-210,387.81-92,019.03

Finding the Fourth Proportional to 152,449.21, 210,387.81 and 92,019.03

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Solution

The fourth proportional to 152,449.21, 210,387.81 and 92,019.03 is: 126,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,449.21 : 210,387.81 = 92,019.03 : x
  2. Step 2: Convert to fraction form
    152,449.21/210,387.81 = 92,019.03/x
  3. Step 3: Cross multiply
    152,449.21x = 210,387.81 × 92,019.03
  4. Step 4: Simplify right side
    152,449.21x = 19,359,682,200.02
  5. Step 5: Solve for x
    x = 19,359,682,200.02/152,449.21
  6. Step 6: Final answer
    x = 126,991.03

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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.