Home / 144,865.80-217,298.70-45,025.20

Finding the Fourth Proportional to 144,865.80, 217,298.70 and 45,025.20

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Solution

The fourth proportional to 144,865.80, 217,298.70 and 45,025.20 is: 67,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.80 : 217,298.70 = 45,025.20 : x
  2. Step 2: Convert to fraction form
    144,865.80/217,298.70 = 45,025.20/x
  3. Step 3: Cross multiply
    144,865.80x = 217,298.70 × 45,025.20
  4. Step 4: Simplify right side
    144,865.80x = 9,783,917,427.24
  5. Step 5: Solve for x
    x = 9,783,917,427.24/144,865.80
  6. Step 6: Final answer
    x = 67,537.80

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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.