Home / 239,919.10-359,664.76-121,529.50

Finding the Fourth Proportional to 239,919.10, 359,664.76 and 121,529.50

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Solution

The fourth proportional to 239,919.10, 359,664.76 and 121,529.50 is: 182,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,919.10 : 359,664.76 = 121,529.50 : x
  2. Step 2: Convert to fraction form
    239,919.10/359,664.76 = 121,529.50/x
  3. Step 3: Cross multiply
    239,919.10x = 359,664.76 × 121,529.50
  4. Step 4: Simplify right side
    239,919.10x = 43,709,878,450.42
  5. Step 5: Solve for x
    x = 43,709,878,450.42/239,919.10
  6. Step 6: Final answer
    x = 182,185.91

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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.