Home / 135,370.50-203,051.61-64,344.30

Finding the Fourth Proportional to 135,370.50, 203,051.61 and 64,344.30

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Solution

The fourth proportional to 135,370.50, 203,051.61 and 64,344.30 is: 96,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,370.50 : 203,051.61 = 64,344.30 : x
  2. Step 2: Convert to fraction form
    135,370.50/203,051.61 = 64,344.30/x
  3. Step 3: Cross multiply
    135,370.50x = 203,051.61 × 64,344.30
  4. Step 4: Simplify right side
    135,370.50x = 13,065,213,709.32
  5. Step 5: Solve for x
    x = 13,065,213,709.32/135,370.50
  6. Step 6: Final answer
    x = 96,514.48

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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.