Home / 119,390.23-164,755.02-65,675.21

Finding the Fourth Proportional to 119,390.23, 164,755.02 and 65,675.21

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Solution

The fourth proportional to 119,390.23, 164,755.02 and 65,675.21 is: 90,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,390.23 : 164,755.02 = 65,675.21 : x
  2. Step 2: Convert to fraction form
    119,390.23/164,755.02 = 65,675.21/x
  3. Step 3: Cross multiply
    119,390.23x = 164,755.02 × 65,675.21
  4. Step 4: Simplify right side
    119,390.23x = 10,820,320,948.94
  5. Step 5: Solve for x
    x = 10,820,320,948.94/119,390.23
  6. Step 6: Final answer
    x = 90,629.87

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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.