Home / 144,610.11-216,908.78-39,429.09

Finding the Fourth Proportional to 144,610.11, 216,908.78 and 39,429.09

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Solution

The fourth proportional to 144,610.11, 216,908.78 and 39,429.09 is: 59,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,610.11 : 216,908.78 = 39,429.09 : x
  2. Step 2: Convert to fraction form
    144,610.11/216,908.78 = 39,429.09/x
  3. Step 3: Cross multiply
    144,610.11x = 216,908.78 × 39,429.09
  4. Step 4: Simplify right side
    144,610.11x = 8,552,515,611.26
  5. Step 5: Solve for x
    x = 8,552,515,611.26/144,610.11
  6. Step 6: Final answer
    x = 59,141.89

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1.5x scale

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.