Home / 136,062.82-187,768.93-74,811.59

Finding the Fourth Proportional to 136,062.82, 187,768.93 and 74,811.59

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Solution

The fourth proportional to 136,062.82, 187,768.93 and 74,811.59 is: 103,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062.82 : 187,768.93 = 74,811.59 : x
  2. Step 2: Convert to fraction form
    136,062.82/187,768.93 = 74,811.59/x
  3. Step 3: Cross multiply
    136,062.82x = 187,768.93 × 74,811.59
  4. Step 4: Simplify right side
    136,062.82x = 14,047,291,454.08
  5. Step 5: Solve for x
    x = 14,047,291,454.08/136,062.82
  6. Step 6: Final answer
    x = 103,241.22

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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.