Home / 143,270.60-214,832.04-64,317.20

Finding the Fourth Proportional to 143,270.60, 214,832.04 and 64,317.20

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Solution

The fourth proportional to 143,270.60, 214,832.04 and 64,317.20 is: 96,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,270.60 : 214,832.04 = 64,317.20 : x
  2. Step 2: Convert to fraction form
    143,270.60/214,832.04 = 64,317.20/x
  3. Step 3: Cross multiply
    143,270.60x = 214,832.04 × 64,317.20
  4. Step 4: Simplify right side
    143,270.60x = 13,817,395,283.09
  5. Step 5: Solve for x
    x = 13,817,395,283.09/143,270.60
  6. Step 6: Final answer
    x = 96,442.64

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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.