Home / 131,516.27-181,448.91-74,148.41

Finding the Fourth Proportional to 131,516.27, 181,448.91 and 74,148.41

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Solution

The fourth proportional to 131,516.27, 181,448.91 and 74,148.41 is: 102,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,516.27 : 181,448.91 = 74,148.41 : x
  2. Step 2: Convert to fraction form
    131,516.27/181,448.91 = 74,148.41/x
  3. Step 3: Cross multiply
    131,516.27x = 181,448.91 × 74,148.41
  4. Step 4: Simplify right side
    131,516.27x = 13,454,148,172.73
  5. Step 5: Solve for x
    x = 13,454,148,172.73/131,516.27
  6. Step 6: Final answer
    x = 102,300.26

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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.