Home / 135,641.36-187,185.48-75,216.26

Finding the Fourth Proportional to 135,641.36, 187,185.48 and 75,216.26

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Solution

The fourth proportional to 135,641.36, 187,185.48 and 75,216.26 is: 103,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,641.36 : 187,185.48 = 75,216.26 : x
  2. Step 2: Convert to fraction form
    135,641.36/187,185.48 = 75,216.26/x
  3. Step 3: Cross multiply
    135,641.36x = 187,185.48 × 75,216.26
  4. Step 4: Simplify right side
    135,641.36x = 14,079,391,731.90
  5. Step 5: Solve for x
    x = 14,079,391,731.90/135,641.36
  6. Step 6: Final answer
    x = 103,798.66

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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.