Home / 127,422.72-175,837.44-70,833.60

Finding the Fourth Proportional to 127,422.72, 175,837.44 and 70,833.60

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Solution

The fourth proportional to 127,422.72, 175,837.44 and 70,833.60 is: 97,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,422.72 : 175,837.44 = 70,833.60 : x
  2. Step 2: Convert to fraction form
    127,422.72/175,837.44 = 70,833.60/x
  3. Step 3: Cross multiply
    127,422.72x = 175,837.44 × 70,833.60
  4. Step 4: Simplify right side
    127,422.72x = 12,455,198,889.98
  5. Step 5: Solve for x
    x = 12,455,198,889.98/127,422.72
  6. Step 6: Final answer
    x = 97,747.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.