Home / 131,380.14-181,304.56-70,950.77

Finding the Fourth Proportional to 131,380.14, 181,304.56 and 70,950.77

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Solution

The fourth proportional to 131,380.14, 181,304.56 and 70,950.77 is: 97,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,380.14 : 181,304.56 = 70,950.77 : x
  2. Step 2: Convert to fraction form
    131,380.14/181,304.56 = 70,950.77/x
  3. Step 3: Cross multiply
    131,380.14x = 181,304.56 × 70,950.77
  4. Step 4: Simplify right side
    131,380.14x = 12,863,697,998.57
  5. Step 5: Solve for x
    x = 12,863,697,998.57/131,380.14
  6. Step 6: Final answer
    x = 97,912.05

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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.