Home / 126,979.65-190,518.08-56,808.54

Finding the Fourth Proportional to 126,979.65, 190,518.08 and 56,808.54

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Solution

The fourth proportional to 126,979.65, 190,518.08 and 56,808.54 is: 85,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,979.65 : 190,518.08 = 56,808.54 : x
  2. Step 2: Convert to fraction form
    126,979.65/190,518.08 = 56,808.54/x
  3. Step 3: Cross multiply
    126,979.65x = 190,518.08 × 56,808.54
  4. Step 4: Simplify right side
    126,979.65x = 10,823,053,684.36
  5. Step 5: Solve for x
    x = 10,823,053,684.36/126,979.65
  6. Step 6: Final answer
    x = 85,234.55

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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.