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Finding the Fourth Proportional to 108,160.92, 149,252.94 and 62,824.32

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Solution

The fourth proportional to 108,160.92, 149,252.94 and 62,824.32 is: 86,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,160.92 : 149,252.94 = 62,824.32 : x
  2. Step 2: Convert to fraction form
    108,160.92/149,252.94 = 62,824.32/x
  3. Step 3: Cross multiply
    108,160.92x = 149,252.94 × 62,824.32
  4. Step 4: Simplify right side
    108,160.92x = 9,376,714,463.50
  5. Step 5: Solve for x
    x = 9,376,714,463.50/108,160.92
  6. Step 6: Final answer
    x = 86,692.26

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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.