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Finding the Fourth Proportional to 127,427.58, 175,851.81 and 70,840.17

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Solution

The fourth proportional to 127,427.58, 175,851.81 and 70,840.17 is: 97,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,427.58 : 175,851.81 = 70,840.17 : x
  2. Step 2: Convert to fraction form
    127,427.58/175,851.81 = 70,840.17/x
  3. Step 3: Cross multiply
    127,427.58x = 175,851.81 × 70,840.17
  4. Step 4: Simplify right side
    127,427.58x = 12,457,372,115.21
  5. Step 5: Solve for x
    x = 12,457,372,115.21/127,427.58
  6. Step 6: Final answer
    x = 97,760.41

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