Home / 144,077.21-215,968.01-55,306.81

Finding the Fourth Proportional to 144,077.21, 215,968.01 and 55,306.81

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Solution

The fourth proportional to 144,077.21, 215,968.01 and 55,306.81 is: 82,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,077.21 : 215,968.01 = 55,306.81 : x
  2. Step 2: Convert to fraction form
    144,077.21/215,968.01 = 55,306.81/x
  3. Step 3: Cross multiply
    144,077.21x = 215,968.01 × 55,306.81
  4. Step 4: Simplify right side
    144,077.21x = 11,944,501,695.15
  5. Step 5: Solve for x
    x = 11,944,501,695.15/144,077.21
  6. Step 6: Final answer
    x = 82,903.48

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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.