Home / 144,042.10-215,998.35-55,266.10

Finding the Fourth Proportional to 144,042.10, 215,998.35 and 55,266.10

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Solution

The fourth proportional to 144,042.10, 215,998.35 and 55,266.10 is: 82,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,042.10 : 215,998.35 = 55,266.10 : x
  2. Step 2: Convert to fraction form
    144,042.10/215,998.35 = 55,266.10/x
  3. Step 3: Cross multiply
    144,042.10x = 215,998.35 × 55,266.10
  4. Step 4: Simplify right side
    144,042.10x = 11,937,386,410.94
  5. Step 5: Solve for x
    x = 11,937,386,410.94/144,042.10
  6. Step 6: Final answer
    x = 82,874.29

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1.5x scale

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.