Home / 137,975.04-190,405.26-77,548.14

Finding the Fourth Proportional to 137,975.04, 190,405.26 and 77,548.14

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Solution

The fourth proportional to 137,975.04, 190,405.26 and 77,548.14 is: 107,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,975.04 : 190,405.26 = 77,548.14 : x
  2. Step 2: Convert to fraction form
    137,975.04/190,405.26 = 77,548.14/x
  3. Step 3: Cross multiply
    137,975.04x = 190,405.26 × 77,548.14
  4. Step 4: Simplify right side
    137,975.04x = 14,765,573,759.22
  5. Step 5: Solve for x
    x = 14,765,573,759.22/137,975.04
  6. Step 6: Final answer
    x = 107,016.27

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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.