Home / 156,428.46-234,641.34-56,550.96

Finding the Fourth Proportional to 156,428.46, 234,641.34 and 56,550.96

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Solution

The fourth proportional to 156,428.46, 234,641.34 and 56,550.96 is: 84,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,428.46 : 234,641.34 = 56,550.96 : x
  2. Step 2: Convert to fraction form
    156,428.46/234,641.34 = 56,550.96/x
  3. Step 3: Cross multiply
    156,428.46x = 234,641.34 × 56,550.96
  4. Step 4: Simplify right side
    156,428.46x = 13,269,193,032.69
  5. Step 5: Solve for x
    x = 13,269,193,032.69/156,428.46
  6. Step 6: Final answer
    x = 84,825.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.