Home / 220,743.69-304,589.66-130,087.35

Finding the Fourth Proportional to 220,743.69, 304,589.66 and 130,087.35

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Solution

The fourth proportional to 220,743.69, 304,589.66 and 130,087.35 is: 179,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,743.69 : 304,589.66 = 130,087.35 : x
  2. Step 2: Convert to fraction form
    220,743.69/304,589.66 = 130,087.35/x
  3. Step 3: Cross multiply
    220,743.69x = 304,589.66 × 130,087.35
  4. Step 4: Simplify right side
    220,743.69x = 39,623,261,056.36
  5. Step 5: Solve for x
    x = 39,623,261,056.36/220,743.69
  6. Step 6: Final answer
    x = 179,498.95

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1.5x scale

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.