Home / 144,406.07-216,715.53-68,504.85

Finding the Fourth Proportional to 144,406.07, 216,715.53 and 68,504.85

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Solution

The fourth proportional to 144,406.07, 216,715.53 and 68,504.85 is: 102,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,406.07 : 216,715.53 = 68,504.85 : x
  2. Step 2: Convert to fraction form
    144,406.07/216,715.53 = 68,504.85/x
  3. Step 3: Cross multiply
    144,406.07x = 216,715.53 × 68,504.85
  4. Step 4: Simplify right side
    144,406.07x = 14,846,063,791.74
  5. Step 5: Solve for x
    x = 14,846,063,791.74/144,406.07
  6. Step 6: Final answer
    x = 102,807.76

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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.