Home / 439,586.08-659,342.64-140,054.56

Finding the Fourth Proportional to 439,586.08, 659,342.64 and 140,054.56

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Solution

The fourth proportional to 439,586.08, 659,342.64 and 140,054.56 is: 210,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,586.08 : 659,342.64 = 140,054.56 : x
  2. Step 2: Convert to fraction form
    439,586.08/659,342.64 = 140,054.56/x
  3. Step 3: Cross multiply
    439,586.08x = 659,342.64 × 140,054.56
  4. Step 4: Simplify right side
    439,586.08x = 92,343,943,334.44
  5. Step 5: Solve for x
    x = 92,343,943,334.44/439,586.08
  6. Step 6: Final answer
    x = 210,070.22

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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.