Home / 127,102.98-190,655.79-38,357.22

Finding the Fourth Proportional to 127,102.98, 190,655.79 and 38,357.22

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Solution

The fourth proportional to 127,102.98, 190,655.79 and 38,357.22 is: 57,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,102.98 : 190,655.79 = 38,357.22 : x
  2. Step 2: Convert to fraction form
    127,102.98/190,655.79 = 38,357.22/x
  3. Step 3: Cross multiply
    127,102.98x = 190,655.79 × 38,357.22
  4. Step 4: Simplify right side
    127,102.98x = 7,313,026,081.30
  5. Step 5: Solve for x
    x = 7,313,026,081.30/127,102.98
  6. Step 6: Final answer
    x = 57,536.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.