Home / 144,747.23-199,751.13-79,335.68

Finding the Fourth Proportional to 144,747.23, 199,751.13 and 79,335.68

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Solution

The fourth proportional to 144,747.23, 199,751.13 and 79,335.68 is: 109,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,747.23 : 199,751.13 = 79,335.68 : x
  2. Step 2: Convert to fraction form
    144,747.23/199,751.13 = 79,335.68/x
  3. Step 3: Cross multiply
    144,747.23x = 199,751.13 × 79,335.68
  4. Step 4: Simplify right side
    144,747.23x = 15,847,390,730.56
  5. Step 5: Solve for x
    x = 15,847,390,730.56/144,747.23
  6. Step 6: Final answer
    x = 109,483.21

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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.