Home / 119,009.63-178,515.05-40,124.54

Finding the Fourth Proportional to 119,009.63, 178,515.05 and 40,124.54

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Solution

The fourth proportional to 119,009.63, 178,515.05 and 40,124.54 is: 60,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,009.63 : 178,515.05 = 40,124.54 : x
  2. Step 2: Convert to fraction form
    119,009.63/178,515.05 = 40,124.54/x
  3. Step 3: Cross multiply
    119,009.63x = 178,515.05 × 40,124.54
  4. Step 4: Simplify right side
    119,009.63x = 7,162,833,171.13
  5. Step 5: Solve for x
    x = 7,162,833,171.13/119,009.63
  6. Step 6: Final answer
    x = 60,187.01

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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.