Home / 142,266.16-213,533.22-72,195.76

Finding the Fourth Proportional to 142,266.16, 213,533.22 and 72,195.76

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Solution

The fourth proportional to 142,266.16, 213,533.22 and 72,195.76 is: 108,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,266.16 : 213,533.22 = 72,195.76 : x
  2. Step 2: Convert to fraction form
    142,266.16/213,533.22 = 72,195.76/x
  3. Step 3: Cross multiply
    142,266.16x = 213,533.22 × 72,195.76
  4. Step 4: Simplify right side
    142,266.16x = 15,416,193,103.15
  5. Step 5: Solve for x
    x = 15,416,193,103.15/142,266.16
  6. Step 6: Final answer
    x = 108,361.63

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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.