Home / 144,355.67-216,529.86-39,171.91

Finding the Fourth Proportional to 144,355.67, 216,529.86 and 39,171.91

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Solution

The fourth proportional to 144,355.67, 216,529.86 and 39,171.91 is: 58,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,355.67 : 216,529.86 = 39,171.91 : x
  2. Step 2: Convert to fraction form
    144,355.67/216,529.86 = 39,171.91/x
  3. Step 3: Cross multiply
    144,355.67x = 216,529.86 × 39,171.91
  4. Step 4: Simplify right side
    144,355.67x = 8,481,887,148.60
  5. Step 5: Solve for x
    x = 8,481,887,148.60/144,355.67
  6. Step 6: Final answer
    x = 58,756.87

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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.