Home / 84,174.41-126,261.63-56,149.20

Finding the Fourth Proportional to 84,174.41, 126,261.63 and 56,149.20

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Solution

The fourth proportional to 84,174.41, 126,261.63 and 56,149.20 is: 84,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,174.41 : 126,261.63 = 56,149.20 : x
  2. Step 2: Convert to fraction form
    84,174.41/126,261.63 = 56,149.20/x
  3. Step 3: Cross multiply
    84,174.41x = 126,261.63 × 56,149.20
  4. Step 4: Simplify right side
    84,174.41x = 7,089,490,052.88
  5. Step 5: Solve for x
    x = 7,089,490,052.88/84,174.41
  6. Step 6: Final answer
    x = 84,223.81

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1.5x scale

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.