Home / 119,016.08-178,528.36-40,131

Finding the Fourth Proportional to 119,016.08, 178,528.36 and 40,131

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Solution

The fourth proportional to 119,016.08, 178,528.36 and 40,131 is: 60,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,016.08 : 178,528.36 = 40,131 : x
  2. Step 2: Convert to fraction form
    119,016.08/178,528.36 = 40,131/x
  3. Step 3: Cross multiply
    119,016.08x = 178,528.36 × 40,131
  4. Step 4: Simplify right side
    119,016.08x = 7,164,521,615.16
  5. Step 5: Solve for x
    x = 7,164,521,615.16/119,016.08
  6. Step 6: Final answer
    x = 60,197.93

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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.