Home / 156,340.56-234,370.68-56,477.28

Finding the Fourth Proportional to 156,340.56, 234,370.68 and 56,477.28

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Solution

The fourth proportional to 156,340.56, 234,370.68 and 56,477.28 is: 84,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,340.56 : 234,370.68 = 56,477.28 : x
  2. Step 2: Convert to fraction form
    156,340.56/234,370.68 = 56,477.28/x
  3. Step 3: Cross multiply
    156,340.56x = 234,370.68 × 56,477.28
  4. Step 4: Simplify right side
    156,340.56x = 13,236,618,518.15
  5. Step 5: Solve for x
    x = 13,236,618,518.15/156,340.56
  6. Step 6: Final answer
    x = 84,665.29

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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.