Home / 91,485.60-126,252.72-51,200.88

Finding the Fourth Proportional to 91,485.60, 126,252.72 and 51,200.88

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Solution

The fourth proportional to 91,485.60, 126,252.72 and 51,200.88 is: 70,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,485.60 : 126,252.72 = 51,200.88 : x
  2. Step 2: Convert to fraction form
    91,485.60/126,252.72 = 51,200.88/x
  3. Step 3: Cross multiply
    91,485.60x = 126,252.72 × 51,200.88
  4. Step 4: Simplify right side
    91,485.60x = 6,464,250,366.39
  5. Step 5: Solve for x
    x = 6,464,250,366.39/91,485.60
  6. Step 6: Final answer
    x = 70,658.67

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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.