Home / 143,860.60-215,790.54-38,679.56

Finding the Fourth Proportional to 143,860.60, 215,790.54 and 38,679.56

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Solution

The fourth proportional to 143,860.60, 215,790.54 and 38,679.56 is: 58,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,860.60 : 215,790.54 = 38,679.56 : x
  2. Step 2: Convert to fraction form
    143,860.60/215,790.54 = 38,679.56/x
  3. Step 3: Cross multiply
    143,860.60x = 215,790.54 × 38,679.56
  4. Step 4: Simplify right side
    143,860.60x = 8,346,683,139.36
  5. Step 5: Solve for x
    x = 8,346,683,139.36/143,860.60
  6. Step 6: Final answer
    x = 58,019.24

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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.