Home / 286,524.06-429,785.55-76,162.01

Finding the Fourth Proportional to 286,524.06, 429,785.55 and 76,162.01

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Solution

The fourth proportional to 286,524.06, 429,785.55 and 76,162.01 is: 114,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,524.06 : 429,785.55 = 76,162.01 : x
  2. Step 2: Convert to fraction form
    286,524.06/429,785.55 = 76,162.01/x
  3. Step 3: Cross multiply
    286,524.06x = 429,785.55 × 76,162.01
  4. Step 4: Simplify right side
    286,524.06x = 32,733,329,208.03
  5. Step 5: Solve for x
    x = 32,733,329,208.03/286,524.06
  6. Step 6: Final answer
    x = 114,242.86

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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.