Home / 162,519.40-243,779.10-109,375.30

Finding the Fourth Proportional to 162,519.40, 243,779.10 and 109,375.30

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Solution

The fourth proportional to 162,519.40, 243,779.10 and 109,375.30 is: 164,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,519.40 : 243,779.10 = 109,375.30 : x
  2. Step 2: Convert to fraction form
    162,519.40/243,779.10 = 109,375.30/x
  3. Step 3: Cross multiply
    162,519.40x = 243,779.10 × 109,375.30
  4. Step 4: Simplify right side
    162,519.40x = 26,663,412,196.23
  5. Step 5: Solve for x
    x = 26,663,412,196.23/162,519.40
  6. Step 6: Final answer
    x = 164,062.95

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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.