Home / 123,326.64-170,172.46-74,903.37

Finding the Fourth Proportional to 123,326.64, 170,172.46 and 74,903.37

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Solution

The fourth proportional to 123,326.64, 170,172.46 and 74,903.37 is: 103,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326.64 : 170,172.46 = 74,903.37 : x
  2. Step 2: Convert to fraction form
    123,326.64/170,172.46 = 74,903.37/x
  3. Step 3: Cross multiply
    123,326.64x = 170,172.46 × 74,903.37
  4. Step 4: Simplify right side
    123,326.64x = 12,746,490,735.19
  5. Step 5: Solve for x
    x = 12,746,490,735.19/123,326.64
  6. Step 6: Final answer
    x = 103,355.53

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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.