Home / 219,787.75-303,307.10-119,185.83

Finding the Fourth Proportional to 219,787.75, 303,307.10 and 119,185.83

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Solution

The fourth proportional to 219,787.75, 303,307.10 and 119,185.83 is: 164,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,787.75 : 303,307.10 = 119,185.83 : x
  2. Step 2: Convert to fraction form
    219,787.75/303,307.10 = 119,185.83/x
  3. Step 3: Cross multiply
    219,787.75x = 303,307.10 × 119,185.83
  4. Step 4: Simplify right side
    219,787.75x = 36,149,908,458.39
  5. Step 5: Solve for x
    x = 36,149,908,458.39/219,787.75
  6. Step 6: Final answer
    x = 164,476.45

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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.