Home / 142,733.04-214,129.62-53,984.60

Finding the Fourth Proportional to 142,733.04, 214,129.62 and 53,984.60

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Solution

The fourth proportional to 142,733.04, 214,129.62 and 53,984.60 is: 80,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,733.04 : 214,129.62 = 53,984.60 : x
  2. Step 2: Convert to fraction form
    142,733.04/214,129.62 = 53,984.60/x
  3. Step 3: Cross multiply
    142,733.04x = 214,129.62 × 53,984.60
  4. Step 4: Simplify right side
    142,733.04x = 11,559,701,883.85
  5. Step 5: Solve for x
    x = 11,559,701,883.85/142,733.04
  6. Step 6: Final answer
    x = 80,988.27

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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.