Home / 222,205.13-306,642.88-125,429.36

Finding the Fourth Proportional to 222,205.13, 306,642.88 and 125,429.36

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Solution

The fourth proportional to 222,205.13, 306,642.88 and 125,429.36 is: 173,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,205.13 : 306,642.88 = 125,429.36 : x
  2. Step 2: Convert to fraction form
    222,205.13/306,642.88 = 125,429.36/x
  3. Step 3: Cross multiply
    222,205.13x = 306,642.88 × 125,429.36
  4. Step 4: Simplify right side
    222,205.13x = 38,462,020,535.40
  5. Step 5: Solve for x
    x = 38,462,020,535.40/222,205.13
  6. Step 6: Final answer
    x = 173,092.40

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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.