Home / 166,875.36-250,138.08-78,054

Finding the Fourth Proportional to 166,875.36, 250,138.08 and 78,054

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Solution

The fourth proportional to 166,875.36, 250,138.08 and 78,054 is: 116,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,875.36 : 250,138.08 = 78,054 : x
  2. Step 2: Convert to fraction form
    166,875.36/250,138.08 = 78,054/x
  3. Step 3: Cross multiply
    166,875.36x = 250,138.08 × 78,054
  4. Step 4: Simplify right side
    166,875.36x = 19,524,277,696.32
  5. Step 5: Solve for x
    x = 19,524,277,696.32/166,875.36
  6. Step 6: Final answer
    x = 116,999.16

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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.