Home / 109,755.04-164,459.58-84,856

Finding the Fourth Proportional to 109,755.04, 164,459.58 and 84,856

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Solution

The fourth proportional to 109,755.04, 164,459.58 and 84,856 is: 127,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,755.04 : 164,459.58 = 84,856 : x
  2. Step 2: Convert to fraction form
    109,755.04/164,459.58 = 84,856/x
  3. Step 3: Cross multiply
    109,755.04x = 164,459.58 × 84,856
  4. Step 4: Simplify right side
    109,755.04x = 13,955,382,120.48
  5. Step 5: Solve for x
    x = 13,955,382,120.48/109,755.04
  6. Step 6: Final answer
    x = 127,150.26

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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.