Home / 109,465.37-163,952.01-66,654.85

Finding the Fourth Proportional to 109,465.37, 163,952.01 and 66,654.85

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Solution

The fourth proportional to 109,465.37, 163,952.01 and 66,654.85 is: 99,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,465.37 : 163,952.01 = 66,654.85 : x
  2. Step 2: Convert to fraction form
    109,465.37/163,952.01 = 66,654.85/x
  3. Step 3: Cross multiply
    109,465.37x = 163,952.01 × 66,654.85
  4. Step 4: Simplify right side
    109,465.37x = 10,928,196,633.75
  5. Step 5: Solve for x
    x = 10,928,196,633.75/109,465.37
  6. Step 6: Final answer
    x = 99,832.46

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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.