Home / 118,727.82-163,844.64-64,280.54

Finding the Fourth Proportional to 118,727.82, 163,844.64 and 64,280.54

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Solution

The fourth proportional to 118,727.82, 163,844.64 and 64,280.54 is: 88,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727.82 : 163,844.64 = 64,280.54 : x
  2. Step 2: Convert to fraction form
    118,727.82/163,844.64 = 64,280.54/x
  3. Step 3: Cross multiply
    118,727.82x = 163,844.64 × 64,280.54
  4. Step 4: Simplify right side
    118,727.82x = 10,532,022,344.92
  5. Step 5: Solve for x
    x = 10,532,022,344.92/118,727.82
  6. Step 6: Final answer
    x = 88,707.28

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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.