Home / 127,457.13-175,912.86-73,771.75

Finding the Fourth Proportional to 127,457.13, 175,912.86 and 73,771.75

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Solution

The fourth proportional to 127,457.13, 175,912.86 and 73,771.75 is: 101,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,457.13 : 175,912.86 = 73,771.75 : x
  2. Step 2: Convert to fraction form
    127,457.13/175,912.86 = 73,771.75/x
  3. Step 3: Cross multiply
    127,457.13x = 175,912.86 × 73,771.75
  4. Step 4: Simplify right side
    127,457.13x = 12,977,399,529.71
  5. Step 5: Solve for x
    x = 12,977,399,529.71/127,457.13
  6. Step 6: Final answer
    x = 101,817.76

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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.