Home / 135,809.22-203,713.86-42,322.26

Finding the Fourth Proportional to 135,809.22, 203,713.86 and 42,322.26

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Solution

The fourth proportional to 135,809.22, 203,713.86 and 42,322.26 is: 63,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,809.22 : 203,713.86 = 42,322.26 : x
  2. Step 2: Convert to fraction form
    135,809.22/203,713.86 = 42,322.26/x
  3. Step 3: Cross multiply
    135,809.22x = 203,713.86 × 42,322.26
  4. Step 4: Simplify right side
    135,809.22x = 8,621,630,948.52
  5. Step 5: Solve for x
    x = 8,621,630,948.52/135,809.22
  6. Step 6: Final answer
    x = 63,483.40

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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.