Home / 103,632.26-143,015.32-58,311.86

Finding the Fourth Proportional to 103,632.26, 143,015.32 and 58,311.86

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Solution

The fourth proportional to 103,632.26, 143,015.32 and 58,311.86 is: 80,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.26 : 143,015.32 = 58,311.86 : x
  2. Step 2: Convert to fraction form
    103,632.26/143,015.32 = 58,311.86/x
  3. Step 3: Cross multiply
    103,632.26x = 143,015.32 × 58,311.86
  4. Step 4: Simplify right side
    103,632.26x = 8,339,488,347.50
  5. Step 5: Solve for x
    x = 8,339,488,347.50/103,632.26
  6. Step 6: Final answer
    x = 80,471.93

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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.