Home / 118,194.50-163,108.81-64,480.65

Finding the Fourth Proportional to 118,194.50, 163,108.81 and 64,480.65

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Solution

The fourth proportional to 118,194.50, 163,108.81 and 64,480.65 is: 88,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.50 : 163,108.81 = 64,480.65 : x
  2. Step 2: Convert to fraction form
    118,194.50/163,108.81 = 64,480.65/x
  3. Step 3: Cross multiply
    118,194.50x = 163,108.81 × 64,480.65
  4. Step 4: Simplify right side
    118,194.50x = 10,517,361,767.12
  5. Step 5: Solve for x
    x = 10,517,361,767.12/118,194.50
  6. Step 6: Final answer
    x = 88,983.51

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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.