Home / 144,558.27-216,929.93-78,044.76

Finding the Fourth Proportional to 144,558.27, 216,929.93 and 78,044.76

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Solution

The fourth proportional to 144,558.27, 216,929.93 and 78,044.76 is: 117,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,558.27 : 216,929.93 = 78,044.76 : x
  2. Step 2: Convert to fraction form
    144,558.27/216,929.93 = 78,044.76/x
  3. Step 3: Cross multiply
    144,558.27x = 216,929.93 × 78,044.76
  4. Step 4: Simplify right side
    144,558.27x = 16,930,243,933.44
  5. Step 5: Solve for x
    x = 16,930,243,933.44/144,558.27
  6. Step 6: Final answer
    x = 117,117.09

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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.