Home / 128,031.24-192,087.96-53,187.24

Finding the Fourth Proportional to 128,031.24, 192,087.96 and 53,187.24

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Solution

The fourth proportional to 128,031.24, 192,087.96 and 53,187.24 is: 79,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,031.24 : 192,087.96 = 53,187.24 : x
  2. Step 2: Convert to fraction form
    128,031.24/192,087.96 = 53,187.24/x
  3. Step 3: Cross multiply
    128,031.24x = 192,087.96 × 53,187.24
  4. Step 4: Simplify right side
    128,031.24x = 10,216,628,429.63
  5. Step 5: Solve for x
    x = 10,216,628,429.63/128,031.24
  6. Step 6: Final answer
    x = 79,797.93

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1.5x scale

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.