Home / 103,590.20-155,385.30-41,228.60

Finding the Fourth Proportional to 103,590.20, 155,385.30 and 41,228.60

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Solution

The fourth proportional to 103,590.20, 155,385.30 and 41,228.60 is: 61,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,590.20 : 155,385.30 = 41,228.60 : x
  2. Step 2: Convert to fraction form
    103,590.20/155,385.30 = 41,228.60/x
  3. Step 3: Cross multiply
    103,590.20x = 155,385.30 × 41,228.60
  4. Step 4: Simplify right side
    103,590.20x = 6,406,318,379.58
  5. Step 5: Solve for x
    x = 6,406,318,379.58/103,590.20
  6. Step 6: Final answer
    x = 61,842.90

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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.