Home / 132,680.92-183,095.40-78,953.64

Finding the Fourth Proportional to 132,680.92, 183,095.40 and 78,953.64

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Solution

The fourth proportional to 132,680.92, 183,095.40 and 78,953.64 is: 108,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,680.92 : 183,095.40 = 78,953.64 : x
  2. Step 2: Convert to fraction form
    132,680.92/183,095.40 = 78,953.64/x
  3. Step 3: Cross multiply
    132,680.92x = 183,095.40 × 78,953.64
  4. Step 4: Simplify right side
    132,680.92x = 14,456,048,297.26
  5. Step 5: Solve for x
    x = 14,456,048,297.26/132,680.92
  6. Step 6: Final answer
    x = 108,953.48

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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.