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Finding the Fourth Proportional to 124,080.01, 186,203.40 and 123,623.49

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Solution

The fourth proportional to 124,080.01, 186,203.40 and 123,623.49 is: 185,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,080.01 : 186,203.40 = 123,623.49 : x
  2. Step 2: Convert to fraction form
    124,080.01/186,203.40 = 123,623.49/x
  3. Step 3: Cross multiply
    124,080.01x = 186,203.40 × 123,623.49
  4. Step 4: Simplify right side
    124,080.01x = 23,019,114,157.87
  5. Step 5: Solve for x
    x = 23,019,114,157.87/124,080.01
  6. Step 6: Final answer
    x = 185,518.31

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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.