Home / 91,087.70-136,635.65-27,903.21

Finding the Fourth Proportional to 91,087.70, 136,635.65 and 27,903.21

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Solution

The fourth proportional to 91,087.70, 136,635.65 and 27,903.21 is: 41,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.70 : 136,635.65 = 27,903.21 : x
  2. Step 2: Convert to fraction form
    91,087.70/136,635.65 = 27,903.21/x
  3. Step 3: Cross multiply
    91,087.70x = 136,635.65 × 27,903.21
  4. Step 4: Simplify right side
    91,087.70x = 3,812,573,200.56
  5. Step 5: Solve for x
    x = 3,812,573,200.56/91,087.70
  6. Step 6: Final answer
    x = 41,856.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.