Home / 124,145.36-186,218.19-57,576.72

Finding the Fourth Proportional to 124,145.36, 186,218.19 and 57,576.72

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Solution

The fourth proportional to 124,145.36, 186,218.19 and 57,576.72 is: 86,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.36 : 186,218.19 = 57,576.72 : x
  2. Step 2: Convert to fraction form
    124,145.36/186,218.19 = 57,576.72/x
  3. Step 3: Cross multiply
    124,145.36x = 186,218.19 × 57,576.72
  4. Step 4: Simplify right side
    124,145.36x = 10,721,833,282.86
  5. Step 5: Solve for x
    x = 10,721,833,282.86/124,145.36
  6. Step 6: Final answer
    x = 86,365.16

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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.