Home / 109,337.80-163,617.90-100,006.60

Finding the Fourth Proportional to 109,337.80, 163,617.90 and 100,006.60

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Solution

The fourth proportional to 109,337.80, 163,617.90 and 100,006.60 is: 149,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,337.80 : 163,617.90 = 100,006.60 : x
  2. Step 2: Convert to fraction form
    109,337.80/163,617.90 = 100,006.60/x
  3. Step 3: Cross multiply
    109,337.80x = 163,617.90 × 100,006.60
  4. Step 4: Simplify right side
    109,337.80x = 16,362,869,878.14
  5. Step 5: Solve for x
    x = 16,362,869,878.14/109,337.80
  6. Step 6: Final answer
    x = 149,654.28

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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.