Home / 135,401.21-203,111.02-35,561.22

Finding the Fourth Proportional to 135,401.21, 203,111.02 and 35,561.22

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Solution

The fourth proportional to 135,401.21, 203,111.02 and 35,561.22 is: 53,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,401.21 : 203,111.02 = 35,561.22 : x
  2. Step 2: Convert to fraction form
    135,401.21/203,111.02 = 35,561.22/x
  3. Step 3: Cross multiply
    135,401.21x = 203,111.02 × 35,561.22
  4. Step 4: Simplify right side
    135,401.21x = 7,222,875,666.64
  5. Step 5: Solve for x
    x = 7,222,875,666.64/135,401.21
  6. Step 6: Final answer
    x = 53,344.25

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1.5x scale

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.