Home / 137,948.67-190,363.77-84,323.43

Finding the Fourth Proportional to 137,948.67, 190,363.77 and 84,323.43

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Solution

The fourth proportional to 137,948.67, 190,363.77 and 84,323.43 is: 116,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948.67 : 190,363.77 = 84,323.43 : x
  2. Step 2: Convert to fraction form
    137,948.67/190,363.77 = 84,323.43/x
  3. Step 3: Cross multiply
    137,948.67x = 190,363.77 × 84,323.43
  4. Step 4: Simplify right side
    137,948.67x = 16,052,126,034.13
  5. Step 5: Solve for x
    x = 16,052,126,034.13/137,948.67
  6. Step 6: Final answer
    x = 116,363.04

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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.