Home / 198,152.84-296,721.80-109,307.60

Finding the Fourth Proportional to 198,152.84, 296,721.80 and 109,307.60

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Solution

The fourth proportional to 198,152.84, 296,721.80 and 109,307.60 is: 163,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,152.84 : 296,721.80 = 109,307.60 : x
  2. Step 2: Convert to fraction form
    198,152.84/296,721.80 = 109,307.60/x
  3. Step 3: Cross multiply
    198,152.84x = 296,721.80 × 109,307.60
  4. Step 4: Simplify right side
    198,152.84x = 32,433,947,825.68
  5. Step 5: Solve for x
    x = 32,433,947,825.68/198,152.84
  6. Step 6: Final answer
    x = 163,681.47

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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.