Home / 117,433.90-162,100.81-69,687.25

Finding the Fourth Proportional to 117,433.90, 162,100.81 and 69,687.25

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Solution

The fourth proportional to 117,433.90, 162,100.81 and 69,687.25 is: 96,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,433.90 : 162,100.81 = 69,687.25 : x
  2. Step 2: Convert to fraction form
    117,433.90/162,100.81 = 69,687.25/x
  3. Step 3: Cross multiply
    117,433.90x = 162,100.81 × 69,687.25
  4. Step 4: Simplify right side
    117,433.90x = 11,296,359,353.53
  5. Step 5: Solve for x
    x = 11,296,359,353.53/117,433.90
  6. Step 6: Final answer
    x = 96,193.34

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1.5x scale

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.