Home / 155,504.81-233,214.05-66,738.57

Finding the Fourth Proportional to 155,504.81, 233,214.05 and 66,738.57

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Solution

The fourth proportional to 155,504.81, 233,214.05 and 66,738.57 is: 100,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,504.81 : 233,214.05 = 66,738.57 : x
  2. Step 2: Convert to fraction form
    155,504.81/233,214.05 = 66,738.57/x
  3. Step 3: Cross multiply
    155,504.81x = 233,214.05 × 66,738.57
  4. Step 4: Simplify right side
    155,504.81x = 15,564,371,867.22
  5. Step 5: Solve for x
    x = 15,564,371,867.22/155,504.81
  6. Step 6: Final answer
    x = 100,089.33

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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.