Home / 116,731.48-175,100.76-45,651.28

Finding the Fourth Proportional to 116,731.48, 175,100.76 and 45,651.28

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Solution

The fourth proportional to 116,731.48, 175,100.76 and 45,651.28 is: 68,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731.48 : 175,100.76 = 45,651.28 : x
  2. Step 2: Convert to fraction form
    116,731.48/175,100.76 = 45,651.28/x
  3. Step 3: Cross multiply
    116,731.48x = 175,100.76 × 45,651.28
  4. Step 4: Simplify right side
    116,731.48x = 7,993,573,822.97
  5. Step 5: Solve for x
    x = 7,993,573,822.97/116,731.48
  6. Step 6: Final answer
    x = 68,478.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.