Home / 103,697.58-143,105.39-58,377.23

Finding the Fourth Proportional to 103,697.58, 143,105.39 and 58,377.23

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Solution

The fourth proportional to 103,697.58, 143,105.39 and 58,377.23 is: 80,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,697.58 : 143,105.39 = 58,377.23 : x
  2. Step 2: Convert to fraction form
    103,697.58/143,105.39 = 58,377.23/x
  3. Step 3: Cross multiply
    103,697.58x = 143,105.39 × 58,377.23
  4. Step 4: Simplify right side
    103,697.58x = 8,354,096,014.42
  5. Step 5: Solve for x
    x = 8,354,096,014.42/103,697.58
  6. Step 6: Final answer
    x = 80,562.11

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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.