Home / 135,447.52-186,855.54-87,716.24

Finding the Fourth Proportional to 135,447.52, 186,855.54 and 87,716.24

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Solution

The fourth proportional to 135,447.52, 186,855.54 and 87,716.24 is: 121,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,447.52 : 186,855.54 = 87,716.24 : x
  2. Step 2: Convert to fraction form
    135,447.52/186,855.54 = 87,716.24/x
  3. Step 3: Cross multiply
    135,447.52x = 186,855.54 × 87,716.24
  4. Step 4: Simplify right side
    135,447.52x = 16,390,265,391.97
  5. Step 5: Solve for x
    x = 16,390,265,391.97/135,447.52
  6. Step 6: Final answer
    x = 121,008.24

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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.