Home / 137,883.54-190,299.86-84,199.68

Finding the Fourth Proportional to 137,883.54, 190,299.86 and 84,199.68

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Solution

The fourth proportional to 137,883.54, 190,299.86 and 84,199.68 is: 116,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,883.54 : 190,299.86 = 84,199.68 : x
  2. Step 2: Convert to fraction form
    137,883.54/190,299.86 = 84,199.68/x
  3. Step 3: Cross multiply
    137,883.54x = 190,299.86 × 84,199.68
  4. Step 4: Simplify right side
    137,883.54x = 16,023,187,316.04
  5. Step 5: Solve for x
    x = 16,023,187,316.04/137,883.54
  6. Step 6: Final answer
    x = 116,208.12

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1.5x scale

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.