Home / 286,785.51-430,150.23-87,107.63

Finding the Fourth Proportional to 286,785.51, 430,150.23 and 87,107.63

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Solution

The fourth proportional to 286,785.51, 430,150.23 and 87,107.63 is: 130,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,785.51 : 430,150.23 = 87,107.63 : x
  2. Step 2: Convert to fraction form
    286,785.51/430,150.23 = 87,107.63/x
  3. Step 3: Cross multiply
    286,785.51x = 430,150.23 × 87,107.63
  4. Step 4: Simplify right side
    286,785.51x = 37,469,364,928.50
  5. Step 5: Solve for x
    x = 37,469,364,928.50/286,785.51
  6. Step 6: Final answer
    x = 130,652.92

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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.