Home / 134,670.03-185,845.20-74,239.34

Finding the Fourth Proportional to 134,670.03, 185,845.20 and 74,239.34

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Solution

The fourth proportional to 134,670.03, 185,845.20 and 74,239.34 is: 102,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,670.03 : 185,845.20 = 74,239.34 : x
  2. Step 2: Convert to fraction form
    134,670.03/185,845.20 = 74,239.34/x
  3. Step 3: Cross multiply
    134,670.03x = 185,845.20 × 74,239.34
  4. Step 4: Simplify right side
    134,670.03x = 13,797,024,990.17
  5. Step 5: Solve for x
    x = 13,797,024,990.17/134,670.03
  6. Step 6: Final answer
    x = 102,450.60

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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.