Home / 149,418.84-206,219.94-98,423.40

Finding the Fourth Proportional to 149,418.84, 206,219.94 and 98,423.40

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Solution

The fourth proportional to 149,418.84, 206,219.94 and 98,423.40 is: 135,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,418.84 : 206,219.94 = 98,423.40 : x
  2. Step 2: Convert to fraction form
    149,418.84/206,219.94 = 98,423.40/x
  3. Step 3: Cross multiply
    149,418.84x = 206,219.94 × 98,423.40
  4. Step 4: Simplify right side
    149,418.84x = 20,296,867,642.60
  5. Step 5: Solve for x
    x = 20,296,867,642.60/149,418.84
  6. Step 6: Final answer
    x = 135,838.74

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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.