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Finding the Fourth Proportional to 116,114.88, 160,240.29 and 65,138.91

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Solution

The fourth proportional to 116,114.88, 160,240.29 and 65,138.91 is: 89,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,114.88 : 160,240.29 = 65,138.91 : x
  2. Step 2: Convert to fraction form
    116,114.88/160,240.29 = 65,138.91/x
  3. Step 3: Cross multiply
    116,114.88x = 160,240.29 × 65,138.91
  4. Step 4: Simplify right side
    116,114.88x = 10,437,877,828.68
  5. Step 5: Solve for x
    x = 10,437,877,828.68/116,114.88
  6. Step 6: Final answer
    x = 89,892.68

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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.