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Finding the Fourth Proportional to 89,502.56, 134,242.90 and 36,905.21

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Solution

The fourth proportional to 89,502.56, 134,242.90 and 36,905.21 is: 55,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,502.56 : 134,242.90 = 36,905.21 : x
  2. Step 2: Convert to fraction form
    89,502.56/134,242.90 = 36,905.21/x
  3. Step 3: Cross multiply
    89,502.56x = 134,242.90 × 36,905.21
  4. Step 4: Simplify right side
    89,502.56x = 4,954,262,415.51
  5. Step 5: Solve for x
    x = 4,954,262,415.51/89,502.56
  6. Step 6: Final answer
    x = 55,353.30

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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.