Home / 155,816.59-233,540.34-71,505.69

Finding the Fourth Proportional to 155,816.59, 233,540.34 and 71,505.69

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Solution

The fourth proportional to 155,816.59, 233,540.34 and 71,505.69 is: 107,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,816.59 : 233,540.34 = 71,505.69 : x
  2. Step 2: Convert to fraction form
    155,816.59/233,540.34 = 71,505.69/x
  3. Step 3: Cross multiply
    155,816.59x = 233,540.34 × 71,505.69
  4. Step 4: Simplify right side
    155,816.59x = 16,699,463,154.53
  5. Step 5: Solve for x
    x = 16,699,463,154.53/155,816.59
  6. Step 6: Final answer
    x = 107,173.85

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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.