Home / 134,197.90-185,200.23-80,485.18

Finding the Fourth Proportional to 134,197.90, 185,200.23 and 80,485.18

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Solution

The fourth proportional to 134,197.90, 185,200.23 and 80,485.18 is: 111,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,197.90 : 185,200.23 = 80,485.18 : x
  2. Step 2: Convert to fraction form
    134,197.90/185,200.23 = 80,485.18/x
  3. Step 3: Cross multiply
    134,197.90x = 185,200.23 × 80,485.18
  4. Step 4: Simplify right side
    134,197.90x = 14,905,873,847.59
  5. Step 5: Solve for x
    x = 14,905,873,847.59/134,197.90
  6. Step 6: Final answer
    x = 111,073.82

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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.