Home / 134,768.60-202,116.45-39,998.60

Finding the Fourth Proportional to 134,768.60, 202,116.45 and 39,998.60

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Solution

The fourth proportional to 134,768.60, 202,116.45 and 39,998.60 is: 59,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,768.60 : 202,116.45 = 39,998.60 : x
  2. Step 2: Convert to fraction form
    134,768.60/202,116.45 = 39,998.60/x
  3. Step 3: Cross multiply
    134,768.60x = 202,116.45 × 39,998.60
  4. Step 4: Simplify right side
    134,768.60x = 8,084,375,036.97
  5. Step 5: Solve for x
    x = 8,084,375,036.97/134,768.60
  6. Step 6: Final answer
    x = 59,987.08

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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.