Home / 91,425.54-125,886.74-80,031.26

Finding the Fourth Proportional to 91,425.54, 125,886.74 and 80,031.26

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Solution

The fourth proportional to 91,425.54, 125,886.74 and 80,031.26 is: 110,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,425.54 : 125,886.74 = 80,031.26 : x
  2. Step 2: Convert to fraction form
    91,425.54/125,886.74 = 80,031.26/x
  3. Step 3: Cross multiply
    91,425.54x = 125,886.74 × 80,031.26
  4. Step 4: Simplify right side
    91,425.54x = 10,074,874,419.49
  5. Step 5: Solve for x
    x = 10,074,874,419.49/91,425.54
  6. Step 6: Final answer
    x = 110,197.59

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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.