Home / 199,605.87-275,390.69-142,254.23

Finding the Fourth Proportional to 199,605.87, 275,390.69 and 142,254.23

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Solution

The fourth proportional to 199,605.87, 275,390.69 and 142,254.23 is: 196,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605.87 : 275,390.69 = 142,254.23 : x
  2. Step 2: Convert to fraction form
    199,605.87/275,390.69 = 142,254.23/x
  3. Step 3: Cross multiply
    199,605.87x = 275,390.69 × 142,254.23
  4. Step 4: Simplify right side
    199,605.87x = 39,175,488,466.89
  5. Step 5: Solve for x
    x = 39,175,488,466.89/199,605.87
  6. Step 6: Final answer
    x = 196,264.21

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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.