Home / 98,135.67-135,426.84-55,109.19

Finding the Fourth Proportional to 98,135.67, 135,426.84 and 55,109.19

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Solution

The fourth proportional to 98,135.67, 135,426.84 and 55,109.19 is: 76,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,135.67 : 135,426.84 = 55,109.19 : x
  2. Step 2: Convert to fraction form
    98,135.67/135,426.84 = 55,109.19/x
  3. Step 3: Cross multiply
    98,135.67x = 135,426.84 × 55,109.19
  4. Step 4: Simplify right side
    98,135.67x = 7,463,263,456.66
  5. Step 5: Solve for x
    x = 7,463,263,456.66/98,135.67
  6. Step 6: Final answer
    x = 76,050.47

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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.