Home / 131,984.60-198,013.74-43,300.48

Finding the Fourth Proportional to 131,984.60, 198,013.74 and 43,300.48

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Solution

The fourth proportional to 131,984.60, 198,013.74 and 43,300.48 is: 64,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,984.60 : 198,013.74 = 43,300.48 : x
  2. Step 2: Convert to fraction form
    131,984.60/198,013.74 = 43,300.48/x
  3. Step 3: Cross multiply
    131,984.60x = 198,013.74 × 43,300.48
  4. Step 4: Simplify right side
    131,984.60x = 8,574,089,988.60
  5. Step 5: Solve for x
    x = 8,574,089,988.60/131,984.60
  6. Step 6: Final answer
    x = 64,962.81

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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.