Home / 135,041.10-202,561.65-84,958.80

Finding the Fourth Proportional to 135,041.10, 202,561.65 and 84,958.80

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Solution

The fourth proportional to 135,041.10, 202,561.65 and 84,958.80 is: 127,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,041.10 : 202,561.65 = 84,958.80 : x
  2. Step 2: Convert to fraction form
    135,041.10/202,561.65 = 84,958.80/x
  3. Step 3: Cross multiply
    135,041.10x = 202,561.65 × 84,958.80
  4. Step 4: Simplify right side
    135,041.10x = 17,209,394,710.02
  5. Step 5: Solve for x
    x = 17,209,394,710.02/135,041.10
  6. Step 6: Final answer
    x = 127,438.20

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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.