Home / 194,738.40-292,021.20-89,503.20

Finding the Fourth Proportional to 194,738.40, 292,021.20 and 89,503.20

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Solution

The fourth proportional to 194,738.40, 292,021.20 and 89,503.20 is: 134,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,738.40 : 292,021.20 = 89,503.20 : x
  2. Step 2: Convert to fraction form
    194,738.40/292,021.20 = 89,503.20/x
  3. Step 3: Cross multiply
    194,738.40x = 292,021.20 × 89,503.20
  4. Step 4: Simplify right side
    194,738.40x = 26,136,831,867.84
  5. Step 5: Solve for x
    x = 26,136,831,867.84/194,738.40
  6. Step 6: Final answer
    x = 134,215.09

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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.