Home / 104,534.12-144,260.10-56,790.44

Finding the Fourth Proportional to 104,534.12, 144,260.10 and 56,790.44

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Solution

The fourth proportional to 104,534.12, 144,260.10 and 56,790.44 is: 78,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,534.12 : 144,260.10 = 56,790.44 : x
  2. Step 2: Convert to fraction form
    104,534.12/144,260.10 = 56,790.44/x
  3. Step 3: Cross multiply
    104,534.12x = 144,260.10 × 56,790.44
  4. Step 4: Simplify right side
    104,534.12x = 8,192,594,553.44
  5. Step 5: Solve for x
    x = 8,192,594,553.44/104,534.12
  6. Step 6: Final answer
    x = 78,372.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.