Home / 286,186.95-429,288.84-75,824.94

Finding the Fourth Proportional to 286,186.95, 429,288.84 and 75,824.94

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Solution

The fourth proportional to 286,186.95, 429,288.84 and 75,824.94 is: 113,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,186.95 : 429,288.84 = 75,824.94 : x
  2. Step 2: Convert to fraction form
    286,186.95/429,288.84 = 75,824.94/x
  3. Step 3: Cross multiply
    286,186.95x = 429,288.84 × 75,824.94
  4. Step 4: Simplify right side
    286,186.95x = 32,550,800,535.67
  5. Step 5: Solve for x
    x = 32,550,800,535.67/286,186.95
  6. Step 6: Final answer
    x = 113,739.64

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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.