Home / 135,988.48-203,982.69-42,494.23

Finding the Fourth Proportional to 135,988.48, 203,982.69 and 42,494.23

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Solution

The fourth proportional to 135,988.48, 203,982.69 and 42,494.23 is: 63,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,988.48 : 203,982.69 = 42,494.23 : x
  2. Step 2: Convert to fraction form
    135,988.48/203,982.69 = 42,494.23/x
  3. Step 3: Cross multiply
    135,988.48x = 203,982.69 × 42,494.23
  4. Step 4: Simplify right side
    135,988.48x = 8,668,087,344.88
  5. Step 5: Solve for x
    x = 8,668,087,344.88/135,988.48
  6. Step 6: Final answer
    x = 63,741.34

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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.