Home / 72,912.24-109,302.60-26,154.12

Finding the Fourth Proportional to 72,912.24, 109,302.60 and 26,154.12

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Solution

The fourth proportional to 72,912.24, 109,302.60 and 26,154.12 is: 39,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,912.24 : 109,302.60 = 26,154.12 : x
  2. Step 2: Convert to fraction form
    72,912.24/109,302.60 = 26,154.12/x
  3. Step 3: Cross multiply
    72,912.24x = 109,302.60 × 26,154.12
  4. Step 4: Simplify right side
    72,912.24x = 2,858,713,316.71
  5. Step 5: Solve for x
    x = 2,858,713,316.71/72,912.24
  6. Step 6: Final answer
    x = 39,207.59

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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.