Home / 190,052.98-285,162.15-119,138.14

Finding the Fourth Proportional to 190,052.98, 285,162.15 and 119,138.14

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Solution

The fourth proportional to 190,052.98, 285,162.15 and 119,138.14 is: 178,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,052.98 : 285,162.15 = 119,138.14 : x
  2. Step 2: Convert to fraction form
    190,052.98/285,162.15 = 119,138.14/x
  3. Step 3: Cross multiply
    190,052.98x = 285,162.15 × 119,138.14
  4. Step 4: Simplify right side
    190,052.98x = 33,973,688,149.40
  5. Step 5: Solve for x
    x = 33,973,688,149.40/190,052.98
  6. Step 6: Final answer
    x = 178,759.04

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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.