Home / 194,848.50-268,890.93-105,424.50

Finding the Fourth Proportional to 194,848.50, 268,890.93 and 105,424.50

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Solution

The fourth proportional to 194,848.50, 268,890.93 and 105,424.50 is: 145,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,848.50 : 268,890.93 = 105,424.50 : x
  2. Step 2: Convert to fraction form
    194,848.50/268,890.93 = 105,424.50/x
  3. Step 3: Cross multiply
    194,848.50x = 268,890.93 × 105,424.50
  4. Step 4: Simplify right side
    194,848.50x = 28,347,691,849.79
  5. Step 5: Solve for x
    x = 28,347,691,849.79/194,848.50
  6. Step 6: Final answer
    x = 145,485.81

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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.