Home / 104,026.68-143,556.84-56,279.88

Finding the Fourth Proportional to 104,026.68, 143,556.84 and 56,279.88

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Solution

The fourth proportional to 104,026.68, 143,556.84 and 56,279.88 is: 77,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,026.68 : 143,556.84 = 56,279.88 : x
  2. Step 2: Convert to fraction form
    104,026.68/143,556.84 = 56,279.88/x
  3. Step 3: Cross multiply
    104,026.68x = 143,556.84 × 56,279.88
  4. Step 4: Simplify right side
    104,026.68x = 8,079,361,728.38
  5. Step 5: Solve for x
    x = 8,079,361,728.38/104,026.68
  6. Step 6: Final answer
    x = 77,666.25

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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.