Home / 210,979.98-316,467.54-84,652.38

Finding the Fourth Proportional to 210,979.98, 316,467.54 and 84,652.38

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Solution

The fourth proportional to 210,979.98, 316,467.54 and 84,652.38 is: 126,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,979.98 : 316,467.54 = 84,652.38 : x
  2. Step 2: Convert to fraction form
    210,979.98/316,467.54 = 84,652.38/x
  3. Step 3: Cross multiply
    210,979.98x = 316,467.54 × 84,652.38
  4. Step 4: Simplify right side
    210,979.98x = 26,789,730,453.75
  5. Step 5: Solve for x
    x = 26,789,730,453.75/210,979.98
  6. Step 6: Final answer
    x = 126,977.60

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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.