Home / 138,021.39-207,075.84-49,272.93

Finding the Fourth Proportional to 138,021.39, 207,075.84 and 49,272.93

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Solution

The fourth proportional to 138,021.39, 207,075.84 and 49,272.93 is: 73,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,021.39 : 207,075.84 = 49,272.93 : x
  2. Step 2: Convert to fraction form
    138,021.39/207,075.84 = 49,272.93/x
  3. Step 3: Cross multiply
    138,021.39x = 207,075.84 × 49,272.93
  4. Step 4: Simplify right side
    138,021.39x = 10,203,233,369.01
  5. Step 5: Solve for x
    x = 10,203,233,369.01/138,021.39
  6. Step 6: Final answer
    x = 73,925.02

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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.