Home / 142,986.76-214,474.74-43,144.29

Finding the Fourth Proportional to 142,986.76, 214,474.74 and 43,144.29

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Solution

The fourth proportional to 142,986.76, 214,474.74 and 43,144.29 is: 64,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,986.76 : 214,474.74 = 43,144.29 : x
  2. Step 2: Convert to fraction form
    142,986.76/214,474.74 = 43,144.29/x
  3. Step 3: Cross multiply
    142,986.76x = 214,474.74 × 43,144.29
  4. Step 4: Simplify right side
    142,986.76x = 9,253,359,307.86
  5. Step 5: Solve for x
    x = 9,253,359,307.86/142,986.76
  6. Step 6: Final answer
    x = 64,714.80

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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.