Home / 103,453.16-155,191.88-36,902.75

Finding the Fourth Proportional to 103,453.16, 155,191.88 and 36,902.75

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Solution

The fourth proportional to 103,453.16, 155,191.88 and 36,902.75 is: 55,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,453.16 : 155,191.88 = 36,902.75 : x
  2. Step 2: Convert to fraction form
    103,453.16/155,191.88 = 36,902.75/x
  3. Step 3: Cross multiply
    103,453.16x = 155,191.88 × 36,902.75
  4. Step 4: Simplify right side
    103,453.16x = 5,727,006,465.97
  5. Step 5: Solve for x
    x = 5,727,006,465.97/103,453.16
  6. Step 6: Final answer
    x = 55,358.45

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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.