Home / 130,954.69-180,712.68-80,052.67

Finding the Fourth Proportional to 130,954.69, 180,712.68 and 80,052.67

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Solution

The fourth proportional to 130,954.69, 180,712.68 and 80,052.67 is: 110,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,954.69 : 180,712.68 = 80,052.67 : x
  2. Step 2: Convert to fraction form
    130,954.69/180,712.68 = 80,052.67/x
  3. Step 3: Cross multiply
    130,954.69x = 180,712.68 × 80,052.67
  4. Step 4: Simplify right side
    130,954.69x = 14,466,532,536.86
  5. Step 5: Solve for x
    x = 14,466,532,536.86/130,954.69
  6. Step 6: Final answer
    x = 110,469.76

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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.