Home / 104,927.04-144,825.12-81,017.28

Finding the Fourth Proportional to 104,927.04, 144,825.12 and 81,017.28

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Solution

The fourth proportional to 104,927.04, 144,825.12 and 81,017.28 is: 111,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,927.04 : 144,825.12 = 81,017.28 : x
  2. Step 2: Convert to fraction form
    104,927.04/144,825.12 = 81,017.28/x
  3. Step 3: Cross multiply
    104,927.04x = 144,825.12 × 81,017.28
  4. Step 4: Simplify right side
    104,927.04x = 11,733,337,298.07
  5. Step 5: Solve for x
    x = 11,733,337,298.07/104,927.04
  6. Step 6: Final answer
    x = 111,823.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.