Home / 196,181.76-294,228.78-90,987.06

Finding the Fourth Proportional to 196,181.76, 294,228.78 and 90,987.06

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Solution

The fourth proportional to 196,181.76, 294,228.78 and 90,987.06 is: 136,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,181.76 : 294,228.78 = 90,987.06 : x
  2. Step 2: Convert to fraction form
    196,181.76/294,228.78 = 90,987.06/x
  3. Step 3: Cross multiply
    196,181.76x = 294,228.78 × 90,987.06
  4. Step 4: Simplify right side
    196,181.76x = 26,771,011,659.59
  5. Step 5: Solve for x
    x = 26,771,011,659.59/196,181.76
  6. Step 6: Final answer
    x = 136,460.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.