Home / 193,522.08-290,393.94-75,178.20

Finding the Fourth Proportional to 193,522.08, 290,393.94 and 75,178.20

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Solution

The fourth proportional to 193,522.08, 290,393.94 and 75,178.20 is: 112,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,522.08 : 290,393.94 = 75,178.20 : x
  2. Step 2: Convert to fraction form
    193,522.08/290,393.94 = 75,178.20/x
  3. Step 3: Cross multiply
    193,522.08x = 290,393.94 × 75,178.20
  4. Step 4: Simplify right side
    193,522.08x = 21,831,293,700.11
  5. Step 5: Solve for x
    x = 21,831,293,700.11/193,522.08
  6. Step 6: Final answer
    x = 112,810.35

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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.