Home / 72,834.37-109,225.13-25,436.18

Finding the Fourth Proportional to 72,834.37, 109,225.13 and 25,436.18

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Solution

The fourth proportional to 72,834.37, 109,225.13 and 25,436.18 is: 38,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834.37 : 109,225.13 = 25,436.18 : x
  2. Step 2: Convert to fraction form
    72,834.37/109,225.13 = 25,436.18/x
  3. Step 3: Cross multiply
    72,834.37x = 109,225.13 × 25,436.18
  4. Step 4: Simplify right side
    72,834.37x = 2,778,270,213.09
  5. Step 5: Solve for x
    x = 2,778,270,213.09/72,834.37
  6. Step 6: Final answer
    x = 38,145.04

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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.