Home / 136,435.25-204,643.40-51,029.87

Finding the Fourth Proportional to 136,435.25, 204,643.40 and 51,029.87

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Solution

The fourth proportional to 136,435.25, 204,643.40 and 51,029.87 is: 76,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435.25 : 204,643.40 = 51,029.87 : x
  2. Step 2: Convert to fraction form
    136,435.25/204,643.40 = 51,029.87/x
  3. Step 3: Cross multiply
    136,435.25x = 204,643.40 × 51,029.87
  4. Step 4: Simplify right side
    136,435.25x = 10,442,924,819.99
  5. Step 5: Solve for x
    x = 10,442,924,819.99/136,435.25
  6. Step 6: Final answer
    x = 76,541.25

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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.