Home / 215,379.42-297,211.92-118,564.44

Finding the Fourth Proportional to 215,379.42, 297,211.92 and 118,564.44

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Solution

The fourth proportional to 215,379.42, 297,211.92 and 118,564.44 is: 163,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,379.42 : 297,211.92 = 118,564.44 : x
  2. Step 2: Convert to fraction form
    215,379.42/297,211.92 = 118,564.44/x
  3. Step 3: Cross multiply
    215,379.42x = 297,211.92 × 118,564.44
  4. Step 4: Simplify right side
    215,379.42x = 35,238,764,856.12
  5. Step 5: Solve for x
    x = 35,238,764,856.12/215,379.42
  6. Step 6: Final answer
    x = 163,612.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.