Home / 118,068.72-162,993.88-75,091.44

Finding the Fourth Proportional to 118,068.72, 162,993.88 and 75,091.44

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Solution

The fourth proportional to 118,068.72, 162,993.88 and 75,091.44 is: 103,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,068.72 : 162,993.88 = 75,091.44 : x
  2. Step 2: Convert to fraction form
    118,068.72/162,993.88 = 75,091.44/x
  3. Step 3: Cross multiply
    118,068.72x = 162,993.88 × 75,091.44
  4. Step 4: Simplify right side
    118,068.72x = 12,239,445,160.39
  5. Step 5: Solve for x
    x = 12,239,445,160.39/118,068.72
  6. Step 6: Final answer
    x = 103,663.74

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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.