Home / 131,995.96-182,164.08-75,406.12

Finding the Fourth Proportional to 131,995.96, 182,164.08 and 75,406.12

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Solution

The fourth proportional to 131,995.96, 182,164.08 and 75,406.12 is: 104,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,995.96 : 182,164.08 = 75,406.12 : x
  2. Step 2: Convert to fraction form
    131,995.96/182,164.08 = 75,406.12/x
  3. Step 3: Cross multiply
    131,995.96x = 182,164.08 × 75,406.12
  4. Step 4: Simplify right side
    131,995.96x = 13,736,286,476.17
  5. Step 5: Solve for x
    x = 13,736,286,476.17/131,995.96
  6. Step 6: Final answer
    x = 104,065.96

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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.