Home / 214,056.90-320,853.59-139,230.52

Finding the Fourth Proportional to 214,056.90, 320,853.59 and 139,230.52

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Solution

The fourth proportional to 214,056.90, 320,853.59 and 139,230.52 is: 208,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,056.90 : 320,853.59 = 139,230.52 : x
  2. Step 2: Convert to fraction form
    214,056.90/320,853.59 = 139,230.52/x
  3. Step 3: Cross multiply
    214,056.90x = 320,853.59 × 139,230.52
  4. Step 4: Simplify right side
    214,056.90x = 44,672,611,203.39
  5. Step 5: Solve for x
    x = 44,672,611,203.39/214,056.90
  6. Step 6: Final answer
    x = 208,695.03

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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.