Home / 149,124.24-205,796.30-85,474.04

Finding the Fourth Proportional to 149,124.24, 205,796.30 and 85,474.04

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Solution

The fourth proportional to 149,124.24, 205,796.30 and 85,474.04 is: 117,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,124.24 : 205,796.30 = 85,474.04 : x
  2. Step 2: Convert to fraction form
    149,124.24/205,796.30 = 85,474.04/x
  3. Step 3: Cross multiply
    149,124.24x = 205,796.30 × 85,474.04
  4. Step 4: Simplify right side
    149,124.24x = 17,590,239,721.70
  5. Step 5: Solve for x
    x = 17,590,239,721.70/149,124.24
  6. Step 6: Final answer
    x = 117,956.94

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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.