Home / 109,003.48-163,592.10-74,186.20

Finding the Fourth Proportional to 109,003.48, 163,592.10 and 74,186.20

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Solution

The fourth proportional to 109,003.48, 163,592.10 and 74,186.20 is: 111,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,003.48 : 163,592.10 = 74,186.20 : x
  2. Step 2: Convert to fraction form
    109,003.48/163,592.10 = 74,186.20/x
  3. Step 3: Cross multiply
    109,003.48x = 163,592.10 × 74,186.20
  4. Step 4: Simplify right side
    109,003.48x = 12,136,276,249.02
  5. Step 5: Solve for x
    x = 12,136,276,249.02/109,003.48
  6. Step 6: Final answer
    x = 111,338.43

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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.