Home / 123,544.34-170,491.32-66,955.70

Finding the Fourth Proportional to 123,544.34, 170,491.32 and 66,955.70

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Solution

The fourth proportional to 123,544.34, 170,491.32 and 66,955.70 is: 92,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,544.34 : 170,491.32 = 66,955.70 : x
  2. Step 2: Convert to fraction form
    123,544.34/170,491.32 = 66,955.70/x
  3. Step 3: Cross multiply
    123,544.34x = 170,491.32 × 66,955.70
  4. Step 4: Simplify right side
    123,544.34x = 11,415,365,674.52
  5. Step 5: Solve for x
    x = 11,415,365,674.52/123,544.34
  6. Step 6: Final answer
    x = 92,398.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.