Home / 108,861.33-163,333.98-42,348.32

Finding the Fourth Proportional to 108,861.33, 163,333.98 and 42,348.32

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Solution

The fourth proportional to 108,861.33, 163,333.98 and 42,348.32 is: 63,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.33 : 163,333.98 = 42,348.32 : x
  2. Step 2: Convert to fraction form
    108,861.33/163,333.98 = 42,348.32/x
  3. Step 3: Cross multiply
    108,861.33x = 163,333.98 × 42,348.32
  4. Step 4: Simplify right side
    108,861.33x = 6,916,918,835.24
  5. Step 5: Solve for x
    x = 6,916,918,835.24/108,861.33
  6. Step 6: Final answer
    x = 63,538.81

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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.