Home / 127,629.40-191,461.56-43,366.90

Finding the Fourth Proportional to 127,629.40, 191,461.56 and 43,366.90

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Solution

The fourth proportional to 127,629.40, 191,461.56 and 43,366.90 is: 65,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,629.40 : 191,461.56 = 43,366.90 : x
  2. Step 2: Convert to fraction form
    127,629.40/191,461.56 = 43,366.90/x
  3. Step 3: Cross multiply
    127,629.40x = 191,461.56 × 43,366.90
  4. Step 4: Simplify right side
    127,629.40x = 8,303,094,326.36
  5. Step 5: Solve for x
    x = 8,303,094,326.36/127,629.40
  6. Step 6: Final answer
    x = 65,056.28

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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.