Home / 89,457.44-134,178.32-30,291.76

Finding the Fourth Proportional to 89,457.44, 134,178.32 and 30,291.76

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Solution

The fourth proportional to 89,457.44, 134,178.32 and 30,291.76 is: 45,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.44 : 134,178.32 = 30,291.76 : x
  2. Step 2: Convert to fraction form
    89,457.44/134,178.32 = 30,291.76/x
  3. Step 3: Cross multiply
    89,457.44x = 134,178.32 × 30,291.76
  4. Step 4: Simplify right side
    89,457.44x = 4,064,497,466.64
  5. Step 5: Solve for x
    x = 4,064,497,466.64/89,457.44
  6. Step 6: Final answer
    x = 45,434.99

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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.