Home / 144,742.70-217,114.56-102,495

Finding the Fourth Proportional to 144,742.70, 217,114.56 and 102,495

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Solution

The fourth proportional to 144,742.70, 217,114.56 and 102,495 is: 153,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,742.70 : 217,114.56 = 102,495 : x
  2. Step 2: Convert to fraction form
    144,742.70/217,114.56 = 102,495/x
  3. Step 3: Cross multiply
    144,742.70x = 217,114.56 × 102,495
  4. Step 4: Simplify right side
    144,742.70x = 22,253,156,827.20
  5. Step 5: Solve for x
    x = 22,253,156,827.20/144,742.70
  6. Step 6: Final answer
    x = 153,742.87

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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.