Home / 127,137.08-175,457.36-70,548.45

Finding the Fourth Proportional to 127,137.08, 175,457.36 and 70,548.45

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Solution

The fourth proportional to 127,137.08, 175,457.36 and 70,548.45 is: 97,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,137.08 : 175,457.36 = 70,548.45 : x
  2. Step 2: Convert to fraction form
    127,137.08/175,457.36 = 70,548.45/x
  3. Step 3: Cross multiply
    127,137.08x = 175,457.36 × 70,548.45
  4. Step 4: Simplify right side
    127,137.08x = 12,378,244,789.09
  5. Step 5: Solve for x
    x = 12,378,244,789.09/127,137.08
  6. Step 6: Final answer
    x = 97,361.41

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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.