Home / 136,230.11-187,998.47-75,803.30

Finding the Fourth Proportional to 136,230.11, 187,998.47 and 75,803.30

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Solution

The fourth proportional to 136,230.11, 187,998.47 and 75,803.30 is: 104,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,230.11 : 187,998.47 = 75,803.30 : x
  2. Step 2: Convert to fraction form
    136,230.11/187,998.47 = 75,803.30/x
  3. Step 3: Cross multiply
    136,230.11x = 187,998.47 × 75,803.30
  4. Step 4: Simplify right side
    136,230.11x = 14,250,903,670.47
  5. Step 5: Solve for x
    x = 14,250,903,670.47/136,230.11
  6. Step 6: Final answer
    x = 104,609.06

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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.