Home / 104,127.08-143,695.56-56,380.88

Finding the Fourth Proportional to 104,127.08, 143,695.56 and 56,380.88

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Solution

The fourth proportional to 104,127.08, 143,695.56 and 56,380.88 is: 77,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,127.08 : 143,695.56 = 56,380.88 : x
  2. Step 2: Convert to fraction form
    104,127.08/143,695.56 = 56,380.88/x
  3. Step 3: Cross multiply
    104,127.08x = 143,695.56 × 56,380.88
  4. Step 4: Simplify right side
    104,127.08x = 8,101,682,124.89
  5. Step 5: Solve for x
    x = 8,101,682,124.89/104,127.08
  6. Step 6: Final answer
    x = 77,805.72

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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.