Home / 96,422.40-144,439.20-54,820.80

Finding the Fourth Proportional to 96,422.40, 144,439.20 and 54,820.80

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Solution

The fourth proportional to 96,422.40, 144,439.20 and 54,820.80 is: 82,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,422.40 : 144,439.20 = 54,820.80 : x
  2. Step 2: Convert to fraction form
    96,422.40/144,439.20 = 54,820.80/x
  3. Step 3: Cross multiply
    96,422.40x = 144,439.20 × 54,820.80
  4. Step 4: Simplify right side
    96,422.40x = 7,918,272,495.36
  5. Step 5: Solve for x
    x = 7,918,272,495.36/96,422.40
  6. Step 6: Final answer
    x = 82,120.67

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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.