Home / 131,184.36-181,048.32-80,226.88

Finding the Fourth Proportional to 131,184.36, 181,048.32 and 80,226.88

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Solution

The fourth proportional to 131,184.36, 181,048.32 and 80,226.88 is: 110,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184.36 : 181,048.32 = 80,226.88 : x
  2. Step 2: Convert to fraction form
    131,184.36/181,048.32 = 80,226.88/x
  3. Step 3: Cross multiply
    131,184.36x = 181,048.32 × 80,226.88
  4. Step 4: Simplify right side
    131,184.36x = 14,524,941,842.84
  5. Step 5: Solve for x
    x = 14,524,941,842.84/131,184.36
  6. Step 6: Final answer
    x = 110,721.60

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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.