Home / 127,268.67-190,878.30-38,501.40

Finding the Fourth Proportional to 127,268.67, 190,878.30 and 38,501.40

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Solution

The fourth proportional to 127,268.67, 190,878.30 and 38,501.40 is: 57,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,268.67 : 190,878.30 = 38,501.40 : x
  2. Step 2: Convert to fraction form
    127,268.67/190,878.30 = 38,501.40/x
  3. Step 3: Cross multiply
    127,268.67x = 190,878.30 × 38,501.40
  4. Step 4: Simplify right side
    127,268.67x = 7,349,081,779.62
  5. Step 5: Solve for x
    x = 7,349,081,779.62/127,268.67
  6. Step 6: Final answer
    x = 57,744.63

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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.