Home / 138,863.04-208,357.44-54,600

Finding the Fourth Proportional to 138,863.04, 208,357.44 and 54,600

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Solution

The fourth proportional to 138,863.04, 208,357.44 and 54,600 is: 81,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,863.04 : 208,357.44 = 54,600 : x
  2. Step 2: Convert to fraction form
    138,863.04/208,357.44 = 54,600/x
  3. Step 3: Cross multiply
    138,863.04x = 208,357.44 × 54,600
  4. Step 4: Simplify right side
    138,863.04x = 11,376,316,224
  5. Step 5: Solve for x
    x = 11,376,316,224/138,863.04
  6. Step 6: Final answer
    x = 81,924.72

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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.