Home / 89,457.12-134,224-30,299.04

Finding the Fourth Proportional to 89,457.12, 134,224 and 30,299.04

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Solution

The fourth proportional to 89,457.12, 134,224 and 30,299.04 is: 45,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.12 : 134,224 = 30,299.04 : x
  2. Step 2: Convert to fraction form
    89,457.12/134,224 = 30,299.04/x
  3. Step 3: Cross multiply
    89,457.12x = 134,224 × 30,299.04
  4. Step 4: Simplify right side
    89,457.12x = 4,066,858,344.96
  5. Step 5: Solve for x
    x = 4,066,858,344.96/89,457.12
  6. Step 6: Final answer
    x = 45,461.54

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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.