Home / 135,179.36-186,544.88-74,752.16

Finding the Fourth Proportional to 135,179.36, 186,544.88 and 74,752.16

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Solution

The fourth proportional to 135,179.36, 186,544.88 and 74,752.16 is: 103,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,179.36 : 186,544.88 = 74,752.16 : x
  2. Step 2: Convert to fraction form
    135,179.36/186,544.88 = 74,752.16/x
  3. Step 3: Cross multiply
    135,179.36x = 186,544.88 × 74,752.16
  4. Step 4: Simplify right side
    135,179.36x = 13,944,632,716.94
  5. Step 5: Solve for x
    x = 13,944,632,716.94/135,179.36
  6. Step 6: Final answer
    x = 103,156.52

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1.5x scale

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.