Home / 127,703.89-191,584.01-38,964.25

Finding the Fourth Proportional to 127,703.89, 191,584.01 and 38,964.25

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Solution

The fourth proportional to 127,703.89, 191,584.01 and 38,964.25 is: 58,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,703.89 : 191,584.01 = 38,964.25 : x
  2. Step 2: Convert to fraction form
    127,703.89/191,584.01 = 38,964.25/x
  3. Step 3: Cross multiply
    127,703.89x = 191,584.01 × 38,964.25
  4. Step 4: Simplify right side
    127,703.89x = 7,464,927,261.64
  5. Step 5: Solve for x
    x = 7,464,927,261.64/127,703.89
  6. Step 6: Final answer
    x = 58,454.97

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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.