Home / 124,419.11-186,637.77-53,272.35

Finding the Fourth Proportional to 124,419.11, 186,637.77 and 53,272.35

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Solution

The fourth proportional to 124,419.11, 186,637.77 and 53,272.35 is: 79,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419.11 : 186,637.77 = 53,272.35 : x
  2. Step 2: Convert to fraction form
    124,419.11/186,637.77 = 53,272.35/x
  3. Step 3: Cross multiply
    124,419.11x = 186,637.77 × 53,272.35
  4. Step 4: Simplify right side
    124,419.11x = 9,942,632,606.66
  5. Step 5: Solve for x
    x = 9,942,632,606.66/124,419.11
  6. Step 6: Final answer
    x = 79,912.43

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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.