Home / 72,209.07-108,302.40-25,451.01

Finding the Fourth Proportional to 72,209.07, 108,302.40 and 25,451.01

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Solution

The fourth proportional to 72,209.07, 108,302.40 and 25,451.01 is: 38,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,209.07 : 108,302.40 = 25,451.01 : x
  2. Step 2: Convert to fraction form
    72,209.07/108,302.40 = 25,451.01/x
  3. Step 3: Cross multiply
    72,209.07x = 108,302.40 × 25,451.01
  4. Step 4: Simplify right side
    72,209.07x = 2,756,405,465.42
  5. Step 5: Solve for x
    x = 2,756,405,465.42/72,209.07
  6. Step 6: Final answer
    x = 38,172.57

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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.