Home / 220,965.44-304,917.95-130,300.62

Finding the Fourth Proportional to 220,965.44, 304,917.95 and 130,300.62

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Solution

The fourth proportional to 220,965.44, 304,917.95 and 130,300.62 is: 179,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,965.44 : 304,917.95 = 130,300.62 : x
  2. Step 2: Convert to fraction form
    220,965.44/304,917.95 = 130,300.62/x
  3. Step 3: Cross multiply
    220,965.44x = 304,917.95 × 130,300.62
  4. Step 4: Simplify right side
    220,965.44x = 39,730,997,934.13
  5. Step 5: Solve for x
    x = 39,730,997,934.13/220,965.44
  6. Step 6: Final answer
    x = 179,806.39

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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.