Home / 131,896.40-182,080.08-75,296.84

Finding the Fourth Proportional to 131,896.40, 182,080.08 and 75,296.84

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Solution

The fourth proportional to 131,896.40, 182,080.08 and 75,296.84 is: 103,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,896.40 : 182,080.08 = 75,296.84 : x
  2. Step 2: Convert to fraction form
    131,896.40/182,080.08 = 75,296.84/x
  3. Step 3: Cross multiply
    131,896.40x = 182,080.08 × 75,296.84
  4. Step 4: Simplify right side
    131,896.40x = 13,710,054,650.95
  5. Step 5: Solve for x
    x = 13,710,054,650.95/131,896.40
  6. Step 6: Final answer
    x = 103,945.63

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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.