Home / 109,985.02-164,977.26-26,879.02

Finding the Fourth Proportional to 109,985.02, 164,977.26 and 26,879.02

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Solution

The fourth proportional to 109,985.02, 164,977.26 and 26,879.02 is: 40,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,985.02 : 164,977.26 = 26,879.02 : x
  2. Step 2: Convert to fraction form
    109,985.02/164,977.26 = 26,879.02/x
  3. Step 3: Cross multiply
    109,985.02x = 164,977.26 × 26,879.02
  4. Step 4: Simplify right side
    109,985.02x = 4,434,427,071.09
  5. Step 5: Solve for x
    x = 4,434,427,071.09/109,985.02
  6. Step 6: Final answer
    x = 40,318.46

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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.