Home / 128,943.69-193,417.92-44,706.59

Finding the Fourth Proportional to 128,943.69, 193,417.92 and 44,706.59

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Solution

The fourth proportional to 128,943.69, 193,417.92 and 44,706.59 is: 67,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,943.69 : 193,417.92 = 44,706.59 : x
  2. Step 2: Convert to fraction form
    128,943.69/193,417.92 = 44,706.59/x
  3. Step 3: Cross multiply
    128,943.69x = 193,417.92 × 44,706.59
  4. Step 4: Simplify right side
    128,943.69x = 8,647,055,963.99
  5. Step 5: Solve for x
    x = 8,647,055,963.99/128,943.69
  6. Step 6: Final answer
    x = 67,060.72

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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.