Home / 92,836.68-128,147.88-55,110.96

Finding the Fourth Proportional to 92,836.68, 128,147.88 and 55,110.96

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Solution

The fourth proportional to 92,836.68, 128,147.88 and 55,110.96 is: 76,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836.68 : 128,147.88 = 55,110.96 : x
  2. Step 2: Convert to fraction form
    92,836.68/128,147.88 = 55,110.96/x
  3. Step 3: Cross multiply
    92,836.68x = 128,147.88 × 55,110.96
  4. Step 4: Simplify right side
    92,836.68x = 7,062,352,688.76
  5. Step 5: Solve for x
    x = 7,062,352,688.76/92,836.68
  6. Step 6: Final answer
    x = 76,072.87

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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.