Home / 144,829.89-199,862.24-79,417.80

Finding the Fourth Proportional to 144,829.89, 199,862.24 and 79,417.80

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Solution

The fourth proportional to 144,829.89, 199,862.24 and 79,417.80 is: 109,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829.89 : 199,862.24 = 79,417.80 : x
  2. Step 2: Convert to fraction form
    144,829.89/199,862.24 = 79,417.80/x
  3. Step 3: Cross multiply
    144,829.89x = 199,862.24 × 79,417.80
  4. Step 4: Simplify right side
    144,829.89x = 15,872,619,006.78
  5. Step 5: Solve for x
    x = 15,872,619,006.78/144,829.89
  6. Step 6: Final answer
    x = 109,594.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.