Home / 66,802.13-100,179.56-19,407.36

Finding the Fourth Proportional to 66,802.13, 100,179.56 and 19,407.36

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Solution

The fourth proportional to 66,802.13, 100,179.56 and 19,407.36 is: 29,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.13 : 100,179.56 = 19,407.36 : x
  2. Step 2: Convert to fraction form
    66,802.13/100,179.56 = 19,407.36/x
  3. Step 3: Cross multiply
    66,802.13x = 100,179.56 × 19,407.36
  4. Step 4: Simplify right side
    66,802.13x = 1,944,220,688.52
  5. Step 5: Solve for x
    x = 1,944,220,688.52/66,802.13
  6. Step 6: Final answer
    x = 29,104.17

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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.