Home / 107,988.63-149,028.37-60,251.21

Finding the Fourth Proportional to 107,988.63, 149,028.37 and 60,251.21

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Solution

The fourth proportional to 107,988.63, 149,028.37 and 60,251.21 is: 83,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,988.63 : 149,028.37 = 60,251.21 : x
  2. Step 2: Convert to fraction form
    107,988.63/149,028.37 = 60,251.21/x
  3. Step 3: Cross multiply
    107,988.63x = 149,028.37 × 60,251.21
  4. Step 4: Simplify right side
    107,988.63x = 8,979,139,616.83
  5. Step 5: Solve for x
    x = 8,979,139,616.83/107,988.63
  6. Step 6: Final answer
    x = 83,148.94

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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.