Home / 108,780.92-163,172.82-42,224.84

Finding the Fourth Proportional to 108,780.92, 163,172.82 and 42,224.84

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Solution

The fourth proportional to 108,780.92, 163,172.82 and 42,224.84 is: 63,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,780.92 : 163,172.82 = 42,224.84 : x
  2. Step 2: Convert to fraction form
    108,780.92/163,172.82 = 42,224.84/x
  3. Step 3: Cross multiply
    108,780.92x = 163,172.82 × 42,224.84
  4. Step 4: Simplify right side
    108,780.92x = 6,889,946,216.85
  5. Step 5: Solve for x
    x = 6,889,946,216.85/108,780.92
  6. Step 6: Final answer
    x = 63,337.82

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1.5x scale

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.