Home / 104,255.54-143,872.90-56,508.84

Finding the Fourth Proportional to 104,255.54, 143,872.90 and 56,508.84

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Solution

The fourth proportional to 104,255.54, 143,872.90 and 56,508.84 is: 77,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,255.54 : 143,872.90 = 56,508.84 : x
  2. Step 2: Convert to fraction form
    104,255.54/143,872.90 = 56,508.84/x
  3. Step 3: Cross multiply
    104,255.54x = 143,872.90 × 56,508.84
  4. Step 4: Simplify right side
    104,255.54x = 8,130,090,686.44
  5. Step 5: Solve for x
    x = 8,130,090,686.44/104,255.54
  6. Step 6: Final answer
    x = 77,982.34

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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.