Home / 135,935.88-187,643.82-90,597.32

Finding the Fourth Proportional to 135,935.88, 187,643.82 and 90,597.32

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Solution

The fourth proportional to 135,935.88, 187,643.82 and 90,597.32 is: 125,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,935.88 : 187,643.82 = 90,597.32 : x
  2. Step 2: Convert to fraction form
    135,935.88/187,643.82 = 90,597.32/x
  3. Step 3: Cross multiply
    135,935.88x = 187,643.82 × 90,597.32
  4. Step 4: Simplify right side
    135,935.88x = 17,000,026,268.34
  5. Step 5: Solve for x
    x = 17,000,026,268.34/135,935.88
  6. Step 6: Final answer
    x = 125,059.15

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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.