Home / 124,149.09-186,143.51-53,118.08

Finding the Fourth Proportional to 124,149.09, 186,143.51 and 53,118.08

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Solution

The fourth proportional to 124,149.09, 186,143.51 and 53,118.08 is: 79,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,149.09 : 186,143.51 = 53,118.08 : x
  2. Step 2: Convert to fraction form
    124,149.09/186,143.51 = 53,118.08/x
  3. Step 3: Cross multiply
    124,149.09x = 186,143.51 × 53,118.08
  4. Step 4: Simplify right side
    124,149.09x = 9,887,584,659.35
  5. Step 5: Solve for x
    x = 9,887,584,659.35/124,149.09
  6. Step 6: Final answer
    x = 79,642.83

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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.