Home / 136,089.46-187,803.12-75,665.62

Finding the Fourth Proportional to 136,089.46, 187,803.12 and 75,665.62

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Solution

The fourth proportional to 136,089.46, 187,803.12 and 75,665.62 is: 104,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,089.46 : 187,803.12 = 75,665.62 : x
  2. Step 2: Convert to fraction form
    136,089.46/187,803.12 = 75,665.62/x
  3. Step 3: Cross multiply
    136,089.46x = 187,803.12 × 75,665.62
  4. Step 4: Simplify right side
    136,089.46x = 14,210,239,512.73
  5. Step 5: Solve for x
    x = 14,210,239,512.73/136,089.46
  6. Step 6: Final answer
    x = 104,418.37

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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.