Home / 155,769.81-233,861.79-105,338.28

Finding the Fourth Proportional to 155,769.81, 233,861.79 and 105,338.28

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Solution

The fourth proportional to 155,769.81, 233,861.79 and 105,338.28 is: 158,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,769.81 : 233,861.79 = 105,338.28 : x
  2. Step 2: Convert to fraction form
    155,769.81/233,861.79 = 105,338.28/x
  3. Step 3: Cross multiply
    155,769.81x = 233,861.79 × 105,338.28
  4. Step 4: Simplify right side
    155,769.81x = 24,634,598,716.32
  5. Step 5: Solve for x
    x = 24,634,598,716.32/155,769.81
  6. Step 6: Final answer
    x = 158,147.45

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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.