Home / 104,025.49-143,556.21-56,279.86

Finding the Fourth Proportional to 104,025.49, 143,556.21 and 56,279.86

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Solution

The fourth proportional to 104,025.49, 143,556.21 and 56,279.86 is: 77,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.49 : 143,556.21 = 56,279.86 : x
  2. Step 2: Convert to fraction form
    104,025.49/143,556.21 = 56,279.86/x
  3. Step 3: Cross multiply
    104,025.49x = 143,556.21 × 56,279.86
  4. Step 4: Simplify right side
    104,025.49x = 8,079,322,901.34
  5. Step 5: Solve for x
    x = 8,079,322,901.34/104,025.49
  6. Step 6: Final answer
    x = 77,666.77

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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.