Home / 194,915.35-268,909.08-122,287.47

Finding the Fourth Proportional to 194,915.35, 268,909.08 and 122,287.47

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Solution

The fourth proportional to 194,915.35, 268,909.08 and 122,287.47 is: 168,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,915.35 : 268,909.08 = 122,287.47 : x
  2. Step 2: Convert to fraction form
    194,915.35/268,909.08 = 122,287.47/x
  3. Step 3: Cross multiply
    194,915.35x = 268,909.08 × 122,287.47
  4. Step 4: Simplify right side
    194,915.35x = 32,884,211,270.82
  5. Step 5: Solve for x
    x = 32,884,211,270.82/194,915.35
  6. Step 6: Final answer
    x = 168,710.22

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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.