Home / 78,814.90-118,193.55-26,226.10

Finding the Fourth Proportional to 78,814.90, 118,193.55 and 26,226.10

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Solution

The fourth proportional to 78,814.90, 118,193.55 and 26,226.10 is: 39,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,814.90 : 118,193.55 = 26,226.10 : x
  2. Step 2: Convert to fraction form
    78,814.90/118,193.55 = 26,226.10/x
  3. Step 3: Cross multiply
    78,814.90x = 118,193.55 × 26,226.10
  4. Step 4: Simplify right side
    78,814.90x = 3,099,755,861.66
  5. Step 5: Solve for x
    x = 3,099,755,861.66/78,814.90
  6. Step 6: Final answer
    x = 39,329.57

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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.