Home / 72,311.33-108,278.37-58,194.25

Finding the Fourth Proportional to 72,311.33, 108,278.37 and 58,194.25

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Solution

The fourth proportional to 72,311.33, 108,278.37 and 58,194.25 is: 87,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311.33 : 108,278.37 = 58,194.25 : x
  2. Step 2: Convert to fraction form
    72,311.33/108,278.37 = 58,194.25/x
  3. Step 3: Cross multiply
    72,311.33x = 108,278.37 × 58,194.25
  4. Step 4: Simplify right side
    72,311.33x = 6,301,178,262.68
  5. Step 5: Solve for x
    x = 6,301,178,262.68/72,311.33
  6. Step 6: Final answer
    x = 87,139.57

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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.