Home / 119,106.40-178,591.56-48,928

Finding the Fourth Proportional to 119,106.40, 178,591.56 and 48,928

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Solution

The fourth proportional to 119,106.40, 178,591.56 and 48,928 is: 73,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,106.40 : 178,591.56 = 48,928 : x
  2. Step 2: Convert to fraction form
    119,106.40/178,591.56 = 48,928/x
  3. Step 3: Cross multiply
    119,106.40x = 178,591.56 × 48,928
  4. Step 4: Simplify right side
    119,106.40x = 8,738,127,847.68
  5. Step 5: Solve for x
    x = 8,738,127,847.68/119,106.40
  6. Step 6: Final answer
    x = 73,364.05

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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.