Home / 118,605.20-163,675.69-64,891.13

Finding the Fourth Proportional to 118,605.20, 163,675.69 and 64,891.13

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Solution

The fourth proportional to 118,605.20, 163,675.69 and 64,891.13 is: 89,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,605.20 : 163,675.69 = 64,891.13 : x
  2. Step 2: Convert to fraction form
    118,605.20/163,675.69 = 64,891.13/x
  3. Step 3: Cross multiply
    118,605.20x = 163,675.69 × 64,891.13
  4. Step 4: Simplify right side
    118,605.20x = 10,621,099,497.02
  5. Step 5: Solve for x
    x = 10,621,099,497.02/118,605.20
  6. Step 6: Final answer
    x = 89,550.04

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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.