Home / 143,132.94-214,707.24-43,290.72

Finding the Fourth Proportional to 143,132.94, 214,707.24 and 43,290.72

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Solution

The fourth proportional to 143,132.94, 214,707.24 and 43,290.72 is: 64,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.94 : 214,707.24 = 43,290.72 : x
  2. Step 2: Convert to fraction form
    143,132.94/214,707.24 = 43,290.72/x
  3. Step 3: Cross multiply
    143,132.94x = 214,707.24 × 43,290.72
  4. Step 4: Simplify right side
    143,132.94x = 9,294,831,008.81
  5. Step 5: Solve for x
    x = 9,294,831,008.81/143,132.94
  6. Step 6: Final answer
    x = 64,938.45

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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.