Home / 136,396.30-188,226.36-75,967.66

Finding the Fourth Proportional to 136,396.30, 188,226.36 and 75,967.66

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Solution

The fourth proportional to 136,396.30, 188,226.36 and 75,967.66 is: 104,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,396.30 : 188,226.36 = 75,967.66 : x
  2. Step 2: Convert to fraction form
    136,396.30/188,226.36 = 75,967.66/x
  3. Step 3: Cross multiply
    136,396.30x = 188,226.36 × 75,967.66
  4. Step 4: Simplify right side
    136,396.30x = 14,299,116,119.52
  5. Step 5: Solve for x
    x = 14,299,116,119.52/136,396.30
  6. Step 6: Final answer
    x = 104,835.07

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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.