Home / 144,272.28-216,400.32-39,083.52

Finding the Fourth Proportional to 144,272.28, 216,400.32 and 39,083.52

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Solution

The fourth proportional to 144,272.28, 216,400.32 and 39,083.52 is: 58,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,272.28 : 216,400.32 = 39,083.52 : x
  2. Step 2: Convert to fraction form
    144,272.28/216,400.32 = 39,083.52/x
  3. Step 3: Cross multiply
    144,272.28x = 216,400.32 × 39,083.52
  4. Step 4: Simplify right side
    144,272.28x = 8,457,686,234.73
  5. Step 5: Solve for x
    x = 8,457,686,234.73/144,272.28
  6. Step 6: Final answer
    x = 58,623.09

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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.