Home / 109,267.30-163,906.35-56,779.30

Finding the Fourth Proportional to 109,267.30, 163,906.35 and 56,779.30

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Solution

The fourth proportional to 109,267.30, 163,906.35 and 56,779.30 is: 85,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,267.30 : 163,906.35 = 56,779.30 : x
  2. Step 2: Convert to fraction form
    109,267.30/163,906.35 = 56,779.30/x
  3. Step 3: Cross multiply
    109,267.30x = 163,906.35 × 56,779.30
  4. Step 4: Simplify right side
    109,267.30x = 9,306,487,818.56
  5. Step 5: Solve for x
    x = 9,306,487,818.56/109,267.30
  6. Step 6: Final answer
    x = 85,171.76

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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.