Home / 144,828.60-199,852.56-81,154.14

Finding the Fourth Proportional to 144,828.60, 199,852.56 and 81,154.14

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Solution

The fourth proportional to 144,828.60, 199,852.56 and 81,154.14 is: 111,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828.60 : 199,852.56 = 81,154.14 : x
  2. Step 2: Convert to fraction form
    144,828.60/199,852.56 = 81,154.14/x
  3. Step 3: Cross multiply
    144,828.60x = 199,852.56 × 81,154.14
  4. Step 4: Simplify right side
    144,828.60x = 16,218,862,633.60
  5. Step 5: Solve for x
    x = 16,218,862,633.60/144,828.60
  6. Step 6: Final answer
    x = 111,986.60

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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.