Home / 124,320.15-186,480.23-84,662.55

Finding the Fourth Proportional to 124,320.15, 186,480.23 and 84,662.55

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Solution

The fourth proportional to 124,320.15, 186,480.23 and 84,662.55 is: 126,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,320.15 : 186,480.23 = 84,662.55 : x
  2. Step 2: Convert to fraction form
    124,320.15/186,480.23 = 84,662.55/x
  3. Step 3: Cross multiply
    124,320.15x = 186,480.23 × 84,662.55
  4. Step 4: Simplify right side
    124,320.15x = 15,787,891,373.07
  5. Step 5: Solve for x
    x = 15,787,891,373.07/124,320.15
  6. Step 6: Final answer
    x = 126,993.83

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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.