Home / 109,631.45-164,457.92-45,576.35

Finding the Fourth Proportional to 109,631.45, 164,457.92 and 45,576.35

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Solution

The fourth proportional to 109,631.45, 164,457.92 and 45,576.35 is: 68,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.45 : 164,457.92 = 45,576.35 : x
  2. Step 2: Convert to fraction form
    109,631.45/164,457.92 = 45,576.35/x
  3. Step 3: Cross multiply
    109,631.45x = 164,457.92 × 45,576.35
  4. Step 4: Simplify right side
    109,631.45x = 7,495,391,597.10
  5. Step 5: Solve for x
    x = 7,495,391,597.10/109,631.45
  6. Step 6: Final answer
    x = 68,368.99

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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.