Home / 142,845.21-214,269.66-98,460.06

Finding the Fourth Proportional to 142,845.21, 214,269.66 and 98,460.06

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Solution

The fourth proportional to 142,845.21, 214,269.66 and 98,460.06 is: 147,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,845.21 : 214,269.66 = 98,460.06 : x
  2. Step 2: Convert to fraction form
    142,845.21/214,269.66 = 98,460.06/x
  3. Step 3: Cross multiply
    142,845.21x = 214,269.66 × 98,460.06
  4. Step 4: Simplify right side
    142,845.21x = 21,097,003,579.78
  5. Step 5: Solve for x
    x = 21,097,003,579.78/142,845.21
  6. Step 6: Final answer
    x = 147,691.36

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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.