Home / 149,145.30-223,171.20-109,779.30

Finding the Fourth Proportional to 149,145.30, 223,171.20 and 109,779.30

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Solution

The fourth proportional to 149,145.30, 223,171.20 and 109,779.30 is: 164,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,145.30 : 223,171.20 = 109,779.30 : x
  2. Step 2: Convert to fraction form
    149,145.30/223,171.20 = 109,779.30/x
  3. Step 3: Cross multiply
    149,145.30x = 223,171.20 × 109,779.30
  4. Step 4: Simplify right side
    149,145.30x = 24,499,578,116.16
  5. Step 5: Solve for x
    x = 24,499,578,116.16/149,145.30
  6. Step 6: Final answer
    x = 164,266.51

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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.