Home / 143,337.51-215,016.30-43,505.82

Finding the Fourth Proportional to 143,337.51, 215,016.30 and 43,505.82

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Solution

The fourth proportional to 143,337.51, 215,016.30 and 43,505.82 is: 65,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337.51 : 215,016.30 = 43,505.82 : x
  2. Step 2: Convert to fraction form
    143,337.51/215,016.30 = 43,505.82/x
  3. Step 3: Cross multiply
    143,337.51x = 215,016.30 × 43,505.82
  4. Step 4: Simplify right side
    143,337.51x = 9,354,460,444.87
  5. Step 5: Solve for x
    x = 9,354,460,444.87/143,337.51
  6. Step 6: Final answer
    x = 65,261.78

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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.