Home / 102,146.82-153,027.05-57,805.40

Finding the Fourth Proportional to 102,146.82, 153,027.05 and 57,805.40

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Solution

The fourth proportional to 102,146.82, 153,027.05 and 57,805.40 is: 86,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,146.82 : 153,027.05 = 57,805.40 : x
  2. Step 2: Convert to fraction form
    102,146.82/153,027.05 = 57,805.40/x
  3. Step 3: Cross multiply
    102,146.82x = 153,027.05 × 57,805.40
  4. Step 4: Simplify right side
    102,146.82x = 8,845,789,836.07
  5. Step 5: Solve for x
    x = 8,845,789,836.07/102,146.82
  6. Step 6: Final answer
    x = 86,598.78

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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.