Home / 185,109.30-255,460.77-104,540.22

Finding the Fourth Proportional to 185,109.30, 255,460.77 and 104,540.22

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Solution

The fourth proportional to 185,109.30, 255,460.77 and 104,540.22 is: 144,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,109.30 : 255,460.77 = 104,540.22 : x
  2. Step 2: Convert to fraction form
    185,109.30/255,460.77 = 104,540.22/x
  3. Step 3: Cross multiply
    185,109.30x = 255,460.77 × 104,540.22
  4. Step 4: Simplify right side
    185,109.30x = 26,705,925,097.17
  5. Step 5: Solve for x
    x = 26,705,925,097.17/185,109.30
  6. Step 6: Final answer
    x = 144,271.11

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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.