Home / 136,212.60-204,398.82-57,320.76

Finding the Fourth Proportional to 136,212.60, 204,398.82 and 57,320.76

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Solution

The fourth proportional to 136,212.60, 204,398.82 and 57,320.76 is: 86,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212.60 : 204,398.82 = 57,320.76 : x
  2. Step 2: Convert to fraction form
    136,212.60/204,398.82 = 57,320.76/x
  3. Step 3: Cross multiply
    136,212.60x = 204,398.82 × 57,320.76
  4. Step 4: Simplify right side
    136,212.60x = 11,716,295,705.50
  5. Step 5: Solve for x
    x = 11,716,295,705.50/136,212.60
  6. Step 6: Final answer
    x = 86,014.77

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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.