Home / 218,657.07-301,747.83-123,165.27

Finding the Fourth Proportional to 218,657.07, 301,747.83 and 123,165.27

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Solution

The fourth proportional to 218,657.07, 301,747.83 and 123,165.27 is: 169,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,657.07 : 301,747.83 = 123,165.27 : x
  2. Step 2: Convert to fraction form
    218,657.07/301,747.83 = 123,165.27/x
  3. Step 3: Cross multiply
    218,657.07x = 301,747.83 × 123,165.27
  4. Step 4: Simplify right side
    218,657.07x = 37,164,852,953.86
  5. Step 5: Solve for x
    x = 37,164,852,953.86/218,657.07
  6. Step 6: Final answer
    x = 169,968.68

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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.