Home / 194,647.19-268,631.91-118,148.66

Finding the Fourth Proportional to 194,647.19, 268,631.91 and 118,148.66

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Solution

The fourth proportional to 194,647.19, 268,631.91 and 118,148.66 is: 163,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,647.19 : 268,631.91 = 118,148.66 : x
  2. Step 2: Convert to fraction form
    194,647.19/268,631.91 = 118,148.66/x
  3. Step 3: Cross multiply
    194,647.19x = 268,631.91 × 118,148.66
  4. Step 4: Simplify right side
    194,647.19x = 31,738,498,856.58
  5. Step 5: Solve for x
    x = 31,738,498,856.58/194,647.19
  6. Step 6: Final answer
    x = 163,056.55

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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.