Home / 147,919.94-204,130.82-136,618.61

Finding the Fourth Proportional to 147,919.94, 204,130.82 and 136,618.61

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Solution

The fourth proportional to 147,919.94, 204,130.82 and 136,618.61 is: 188,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,919.94 : 204,130.82 = 136,618.61 : x
  2. Step 2: Convert to fraction form
    147,919.94/204,130.82 = 136,618.61/x
  3. Step 3: Cross multiply
    147,919.94x = 204,130.82 × 136,618.61
  4. Step 4: Simplify right side
    147,919.94x = 27,888,068,886.56
  5. Step 5: Solve for x
    x = 27,888,068,886.56/147,919.94
  6. Step 6: Final answer
    x = 188,534.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.