Home / 130,549.85-180,217.82-82,222.80

Finding the Fourth Proportional to 130,549.85, 180,217.82 and 82,222.80

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Solution

The fourth proportional to 130,549.85, 180,217.82 and 82,222.80 is: 113,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,549.85 : 180,217.82 = 82,222.80 : x
  2. Step 2: Convert to fraction form
    130,549.85/180,217.82 = 82,222.80/x
  3. Step 3: Cross multiply
    130,549.85x = 180,217.82 × 82,222.80
  4. Step 4: Simplify right side
    130,549.85x = 14,818,014,262.67
  5. Step 5: Solve for x
    x = 14,818,014,262.67/130,549.85
  6. Step 6: Final answer
    x = 113,504.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.