Home / 117,538.85-162,202.34-66,550.16

Finding the Fourth Proportional to 117,538.85, 162,202.34 and 66,550.16

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Solution

The fourth proportional to 117,538.85, 162,202.34 and 66,550.16 is: 91,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,538.85 : 162,202.34 = 66,550.16 : x
  2. Step 2: Convert to fraction form
    117,538.85/162,202.34 = 66,550.16/x
  3. Step 3: Cross multiply
    117,538.85x = 162,202.34 × 66,550.16
  4. Step 4: Simplify right side
    117,538.85x = 10,794,590,535.61
  5. Step 5: Solve for x
    x = 10,794,590,535.61/117,538.85
  6. Step 6: Final answer
    x = 91,838.49

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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.