Home / 116,015.50-160,178.62-89,110

Finding the Fourth Proportional to 116,015.50, 160,178.62 and 89,110

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Solution

The fourth proportional to 116,015.50, 160,178.62 and 89,110 is: 123,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,015.50 : 160,178.62 = 89,110 : x
  2. Step 2: Convert to fraction form
    116,015.50/160,178.62 = 89,110/x
  3. Step 3: Cross multiply
    116,015.50x = 160,178.62 × 89,110
  4. Step 4: Simplify right side
    116,015.50x = 14,273,516,828.20
  5. Step 5: Solve for x
    x = 14,273,516,828.20/116,015.50
  6. Step 6: Final answer
    x = 123,031.12

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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.