Home / 118,033.92-162,884.68-64,319.28

Finding the Fourth Proportional to 118,033.92, 162,884.68 and 64,319.28

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Solution

The fourth proportional to 118,033.92, 162,884.68 and 64,319.28 is: 88,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,033.92 : 162,884.68 = 64,319.28 : x
  2. Step 2: Convert to fraction form
    118,033.92/162,884.68 = 64,319.28/x
  3. Step 3: Cross multiply
    118,033.92x = 162,884.68 × 64,319.28
  4. Step 4: Simplify right side
    118,033.92x = 10,476,625,340.63
  5. Step 5: Solve for x
    x = 10,476,625,340.63/118,033.92
  6. Step 6: Final answer
    x = 88,759.45

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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.