Home / 134,693.04-202,039.56-74,758.31

Finding the Fourth Proportional to 134,693.04, 202,039.56 and 74,758.31

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Solution

The fourth proportional to 134,693.04, 202,039.56 and 74,758.31 is: 112,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,693.04 : 202,039.56 = 74,758.31 : x
  2. Step 2: Convert to fraction form
    134,693.04/202,039.56 = 74,758.31/x
  3. Step 3: Cross multiply
    134,693.04x = 202,039.56 × 74,758.31
  4. Step 4: Simplify right side
    134,693.04x = 15,104,135,048.55
  5. Step 5: Solve for x
    x = 15,104,135,048.55/134,693.04
  6. Step 6: Final answer
    x = 112,137.46

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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.