Home / 91,960.40-126,900.60-51,675.84

Finding the Fourth Proportional to 91,960.40, 126,900.60 and 51,675.84

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Solution

The fourth proportional to 91,960.40, 126,900.60 and 51,675.84 is: 71,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,960.40 : 126,900.60 = 51,675.84 : x
  2. Step 2: Convert to fraction form
    91,960.40/126,900.60 = 51,675.84/x
  3. Step 3: Cross multiply
    91,960.40x = 126,900.60 × 51,675.84
  4. Step 4: Simplify right side
    91,960.40x = 6,557,695,101.50
  5. Step 5: Solve for x
    x = 6,557,695,101.50/91,960.40
  6. Step 6: Final answer
    x = 71,309.99

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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.