Home / 129,303.12-193,932.72-35,787

Finding the Fourth Proportional to 129,303.12, 193,932.72 and 35,787

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Solution

The fourth proportional to 129,303.12, 193,932.72 and 35,787 is: 53,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,303.12 : 193,932.72 = 35,787 : x
  2. Step 2: Convert to fraction form
    129,303.12/193,932.72 = 35,787/x
  3. Step 3: Cross multiply
    129,303.12x = 193,932.72 × 35,787
  4. Step 4: Simplify right side
    129,303.12x = 6,940,270,250.64
  5. Step 5: Solve for x
    x = 6,940,270,250.64/129,303.12
  6. Step 6: Final answer
    x = 53,674.42

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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.