Home / 118,309.14-163,285.37-75,243.74

Finding the Fourth Proportional to 118,309.14, 163,285.37 and 75,243.74

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Solution

The fourth proportional to 118,309.14, 163,285.37 and 75,243.74 is: 103,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,309.14 : 163,285.37 = 75,243.74 : x
  2. Step 2: Convert to fraction form
    118,309.14/163,285.37 = 75,243.74/x
  3. Step 3: Cross multiply
    118,309.14x = 163,285.37 × 75,243.74
  4. Step 4: Simplify right side
    118,309.14x = 12,286,200,733.44
  5. Step 5: Solve for x
    x = 12,286,200,733.44/118,309.14
  6. Step 6: Final answer
    x = 103,848.28

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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.