Home / 199,577.12-275,443.13-126,987.14

Finding the Fourth Proportional to 199,577.12, 275,443.13 and 126,987.14

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Solution

The fourth proportional to 199,577.12, 275,443.13 and 126,987.14 is: 175,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,577.12 : 275,443.13 = 126,987.14 : x
  2. Step 2: Convert to fraction form
    199,577.12/275,443.13 = 126,987.14/x
  3. Step 3: Cross multiply
    199,577.12x = 275,443.13 × 126,987.14
  4. Step 4: Simplify right side
    199,577.12x = 34,977,736,317.42
  5. Step 5: Solve for x
    x = 34,977,736,317.42/199,577.12
  6. Step 6: Final answer
    x = 175,259.25

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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.