Home / 104,025.60-143,555.34-56,278.92

Finding the Fourth Proportional to 104,025.60, 143,555.34 and 56,278.92

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Solution

The fourth proportional to 104,025.60, 143,555.34 and 56,278.92 is: 77,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.60 : 143,555.34 = 56,278.92 : x
  2. Step 2: Convert to fraction form
    104,025.60/143,555.34 = 56,278.92/x
  3. Step 3: Cross multiply
    104,025.60x = 143,555.34 × 56,278.92
  4. Step 4: Simplify right side
    104,025.60x = 8,079,139,495.43
  5. Step 5: Solve for x
    x = 8,079,139,495.43/104,025.60
  6. Step 6: Final answer
    x = 77,664.92

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Double scale
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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.