Home / 118,927.81-178,266.84-40,014.64

Finding the Fourth Proportional to 118,927.81, 178,266.84 and 40,014.64

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Solution

The fourth proportional to 118,927.81, 178,266.84 and 40,014.64 is: 59,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,927.81 : 178,266.84 = 40,014.64 : x
  2. Step 2: Convert to fraction form
    118,927.81/178,266.84 = 40,014.64/x
  3. Step 3: Cross multiply
    118,927.81x = 178,266.84 × 40,014.64
  4. Step 4: Simplify right side
    118,927.81x = 7,133,283,426.54
  5. Step 5: Solve for x
    x = 7,133,283,426.54/118,927.81
  6. Step 6: Final answer
    x = 59,979.94

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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.