Home / 131,953.44-182,120.12-75,364.80

Finding the Fourth Proportional to 131,953.44, 182,120.12 and 75,364.80

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Solution

The fourth proportional to 131,953.44, 182,120.12 and 75,364.80 is: 104,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,953.44 : 182,120.12 = 75,364.80 : x
  2. Step 2: Convert to fraction form
    131,953.44/182,120.12 = 75,364.80/x
  3. Step 3: Cross multiply
    131,953.44x = 182,120.12 × 75,364.80
  4. Step 4: Simplify right side
    131,953.44x = 13,725,446,419.78
  5. Step 5: Solve for x
    x = 13,725,446,419.78/131,953.44
  6. Step 6: Final answer
    x = 104,017.34

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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.