Home / 132,856-183,332.08-74,721.44

Finding the Fourth Proportional to 132,856, 183,332.08 and 74,721.44

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Solution

The fourth proportional to 132,856, 183,332.08 and 74,721.44 is: 103,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,856 : 183,332.08 = 74,721.44 : x
  2. Step 2: Convert to fraction form
    132,856/183,332.08 = 74,721.44/x
  3. Step 3: Cross multiply
    132,856x = 183,332.08 × 74,721.44
  4. Step 4: Simplify right side
    132,856x = 13,698,837,015.80
  5. Step 5: Solve for x
    x = 13,698,837,015.80/132,856
  6. Step 6: Final answer
    x = 103,110.41

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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.