Home / 144,610.86-216,909.90-39,429.84

Finding the Fourth Proportional to 144,610.86, 216,909.90 and 39,429.84

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Solution

The fourth proportional to 144,610.86, 216,909.90 and 39,429.84 is: 59,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,610.86 : 216,909.90 = 39,429.84 : x
  2. Step 2: Convert to fraction form
    144,610.86/216,909.90 = 39,429.84/x
  3. Step 3: Cross multiply
    144,610.86x = 216,909.90 × 39,429.84
  4. Step 4: Simplify right side
    144,610.86x = 8,552,722,651.42
  5. Step 5: Solve for x
    x = 8,552,722,651.42/144,610.86
  6. Step 6: Final answer
    x = 59,143.02

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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.