Home / 127,941.48-191,822.40-43,661.88

Finding the Fourth Proportional to 127,941.48, 191,822.40 and 43,661.88

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Solution

The fourth proportional to 127,941.48, 191,822.40 and 43,661.88 is: 65,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,941.48 : 191,822.40 = 43,661.88 : x
  2. Step 2: Convert to fraction form
    127,941.48/191,822.40 = 43,661.88/x
  3. Step 3: Cross multiply
    127,941.48x = 191,822.40 × 43,661.88
  4. Step 4: Simplify right side
    127,941.48x = 8,375,326,610.11
  5. Step 5: Solve for x
    x = 8,375,326,610.11/127,941.48
  6. Step 6: Final answer
    x = 65,462.17

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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.