Home / 103,620.80-155,431.20-37,056.89

Finding the Fourth Proportional to 103,620.80, 155,431.20 and 37,056.89

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Solution

The fourth proportional to 103,620.80, 155,431.20 and 37,056.89 is: 55,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620.80 : 155,431.20 = 37,056.89 : x
  2. Step 2: Convert to fraction form
    103,620.80/155,431.20 = 37,056.89/x
  3. Step 3: Cross multiply
    103,620.80x = 155,431.20 × 37,056.89
  4. Step 4: Simplify right side
    103,620.80x = 5,759,796,103.81
  5. Step 5: Solve for x
    x = 5,759,796,103.81/103,620.80
  6. Step 6: Final answer
    x = 55,585.33

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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.