Home / 153,836.69-212,313.96-89,292.04

Finding the Fourth Proportional to 153,836.69, 212,313.96 and 89,292.04

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Solution

The fourth proportional to 153,836.69, 212,313.96 and 89,292.04 is: 123,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,836.69 : 212,313.96 = 89,292.04 : x
  2. Step 2: Convert to fraction form
    153,836.69/212,313.96 = 89,292.04/x
  3. Step 3: Cross multiply
    153,836.69x = 212,313.96 × 89,292.04
  4. Step 4: Simplify right side
    153,836.69x = 18,957,946,608.88
  5. Step 5: Solve for x
    x = 18,957,946,608.88/153,836.69
  6. Step 6: Final answer
    x = 123,234.23

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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.