Home / 220,970.48-304,924.89-130,305.65

Finding the Fourth Proportional to 220,970.48, 304,924.89 and 130,305.65

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Solution

The fourth proportional to 220,970.48, 304,924.89 and 130,305.65 is: 179,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,970.48 : 304,924.89 = 130,305.65 : x
  2. Step 2: Convert to fraction form
    220,970.48/304,924.89 = 130,305.65/x
  3. Step 3: Cross multiply
    220,970.48x = 304,924.89 × 130,305.65
  4. Step 4: Simplify right side
    220,970.48x = 39,733,435,992.63
  5. Step 5: Solve for x
    x = 39,733,435,992.63/220,970.48
  6. Step 6: Final answer
    x = 179,813.32

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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.