Home / 117,605.37-162,301.05-72,285.27

Finding the Fourth Proportional to 117,605.37, 162,301.05 and 72,285.27

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Solution

The fourth proportional to 117,605.37, 162,301.05 and 72,285.27 is: 99,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,605.37 : 162,301.05 = 72,285.27 : x
  2. Step 2: Convert to fraction form
    117,605.37/162,301.05 = 72,285.27/x
  3. Step 3: Cross multiply
    117,605.37x = 162,301.05 × 72,285.27
  4. Step 4: Simplify right side
    117,605.37x = 11,731,975,220.53
  5. Step 5: Solve for x
    x = 11,731,975,220.53/117,605.37
  6. Step 6: Final answer
    x = 99,757.14

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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.