Home / 286,026.36-428,774.64-106,011.54

Finding the Fourth Proportional to 286,026.36, 428,774.64 and 106,011.54

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Solution

The fourth proportional to 286,026.36, 428,774.64 and 106,011.54 is: 158,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,026.36 : 428,774.64 = 106,011.54 : x
  2. Step 2: Convert to fraction form
    286,026.36/428,774.64 = 106,011.54/x
  3. Step 3: Cross multiply
    286,026.36x = 428,774.64 × 106,011.54
  4. Step 4: Simplify right side
    286,026.36x = 45,455,059,899.35
  5. Step 5: Solve for x
    x = 45,455,059,899.35/286,026.36
  6. Step 6: Final answer
    x = 158,919.13

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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.