Home / 194,739.40-292,022.70-89,504.20

Finding the Fourth Proportional to 194,739.40, 292,022.70 and 89,504.20

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Solution

The fourth proportional to 194,739.40, 292,022.70 and 89,504.20 is: 134,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,739.40 : 292,022.70 = 89,504.20 : x
  2. Step 2: Convert to fraction form
    194,739.40/292,022.70 = 89,504.20/x
  3. Step 3: Cross multiply
    194,739.40x = 292,022.70 × 89,504.20
  4. Step 4: Simplify right side
    194,739.40x = 26,137,258,145.34
  5. Step 5: Solve for x
    x = 26,137,258,145.34/194,739.40
  6. Step 6: Final answer
    x = 134,216.59

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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.