Home / 143,168.80-197,484.60-92,164.72

Finding the Fourth Proportional to 143,168.80, 197,484.60 and 92,164.72

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Solution

The fourth proportional to 143,168.80, 197,484.60 and 92,164.72 is: 127,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,168.80 : 197,484.60 = 92,164.72 : x
  2. Step 2: Convert to fraction form
    143,168.80/197,484.60 = 92,164.72/x
  3. Step 3: Cross multiply
    143,168.80x = 197,484.60 × 92,164.72
  4. Step 4: Simplify right side
    143,168.80x = 18,201,112,863.31
  5. Step 5: Solve for x
    x = 18,201,112,863.31/143,168.80
  6. Step 6: Final answer
    x = 127,130.44

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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.