Home / 135,992.36-203,988.50-42,498.11

Finding the Fourth Proportional to 135,992.36, 203,988.50 and 42,498.11

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Solution

The fourth proportional to 135,992.36, 203,988.50 and 42,498.11 is: 63,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,992.36 : 203,988.50 = 42,498.11 : x
  2. Step 2: Convert to fraction form
    135,992.36/203,988.50 = 42,498.11/x
  3. Step 3: Cross multiply
    135,992.36x = 203,988.50 × 42,498.11
  4. Step 4: Simplify right side
    135,992.36x = 8,669,124,479.30
  5. Step 5: Solve for x
    x = 8,669,124,479.30/135,992.36
  6. Step 6: Final answer
    x = 63,747.15

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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.