Home / 135,498.51-203,245.92-42,004.26

Finding the Fourth Proportional to 135,498.51, 203,245.92 and 42,004.26

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Solution

The fourth proportional to 135,498.51, 203,245.92 and 42,004.26 is: 63,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,498.51 : 203,245.92 = 42,004.26 : x
  2. Step 2: Convert to fraction form
    135,498.51/203,245.92 = 42,004.26/x
  3. Step 3: Cross multiply
    135,498.51x = 203,245.92 × 42,004.26
  4. Step 4: Simplify right side
    135,498.51x = 8,537,194,467.62
  5. Step 5: Solve for x
    x = 8,537,194,467.62/135,498.51
  6. Step 6: Final answer
    x = 63,005.82

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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.