Home / 114,746.90-158,426.96-71,791.11

Finding the Fourth Proportional to 114,746.90, 158,426.96 and 71,791.11

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Solution

The fourth proportional to 114,746.90, 158,426.96 and 71,791.11 is: 99,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,746.90 : 158,426.96 = 71,791.11 : x
  2. Step 2: Convert to fraction form
    114,746.90/158,426.96 = 71,791.11/x
  3. Step 3: Cross multiply
    114,746.90x = 158,426.96 × 71,791.11
  4. Step 4: Simplify right side
    114,746.90x = 11,373,646,953.37
  5. Step 5: Solve for x
    x = 11,373,646,953.37/114,746.90
  6. Step 6: Final answer
    x = 99,119.43

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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.