Home / 127,647.54-190,937.99-89,694.15

Finding the Fourth Proportional to 127,647.54, 190,937.99 and 89,694.15

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Solution

The fourth proportional to 127,647.54, 190,937.99 and 89,694.15 is: 134,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,647.54 : 190,937.99 = 89,694.15 : x
  2. Step 2: Convert to fraction form
    127,647.54/190,937.99 = 89,694.15/x
  3. Step 3: Cross multiply
    127,647.54x = 190,937.99 × 89,694.15
  4. Step 4: Simplify right side
    127,647.54x = 17,126,020,267.29
  5. Step 5: Solve for x
    x = 17,126,020,267.29/127,647.54
  6. Step 6: Final answer
    x = 134,166.47

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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.