Home / 155,815.59-233,538.85-71,504.69

Finding the Fourth Proportional to 155,815.59, 233,538.85 and 71,504.69

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Solution

The fourth proportional to 155,815.59, 233,538.85 and 71,504.69 is: 107,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,815.59 : 233,538.85 = 71,504.69 : x
  2. Step 2: Convert to fraction form
    155,815.59/233,538.85 = 71,504.69/x
  3. Step 3: Cross multiply
    155,815.59x = 233,538.85 × 71,504.69
  4. Step 4: Simplify right side
    155,815.59x = 16,699,121,546.99
  5. Step 5: Solve for x
    x = 16,699,121,546.99/155,815.59
  6. Step 6: Final answer
    x = 107,172.34

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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.