Home / 118,305.35-163,280.13-75,239.94

Finding the Fourth Proportional to 118,305.35, 163,280.13 and 75,239.94

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Solution

The fourth proportional to 118,305.35, 163,280.13 and 75,239.94 is: 103,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305.35 : 163,280.13 = 75,239.94 : x
  2. Step 2: Convert to fraction form
    118,305.35/163,280.13 = 75,239.94/x
  3. Step 3: Cross multiply
    118,305.35x = 163,280.13 × 75,239.94
  4. Step 4: Simplify right side
    118,305.35x = 12,285,187,184.39
  5. Step 5: Solve for x
    x = 12,285,187,184.39/118,305.35
  6. Step 6: Final answer
    x = 103,843.04

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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.