Home / 104,976.23-144,821.47-66,715.27

Finding the Fourth Proportional to 104,976.23, 144,821.47 and 66,715.27

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Solution

The fourth proportional to 104,976.23, 144,821.47 and 66,715.27 is: 92,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.23 : 144,821.47 = 66,715.27 : x
  2. Step 2: Convert to fraction form
    104,976.23/144,821.47 = 66,715.27/x
  3. Step 3: Cross multiply
    104,976.23x = 144,821.47 × 66,715.27
  4. Step 4: Simplify right side
    104,976.23x = 9,661,803,476.41
  5. Step 5: Solve for x
    x = 9,661,803,476.41/104,976.23
  6. Step 6: Final answer
    x = 92,038.01

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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.