Home / 92,007.20-126,980.46-51,175.45

Finding the Fourth Proportional to 92,007.20, 126,980.46 and 51,175.45

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Solution

The fourth proportional to 92,007.20, 126,980.46 and 51,175.45 is: 70,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,007.20 : 126,980.46 = 51,175.45 : x
  2. Step 2: Convert to fraction form
    92,007.20/126,980.46 = 51,175.45/x
  3. Step 3: Cross multiply
    92,007.20x = 126,980.46 × 51,175.45
  4. Step 4: Simplify right side
    92,007.20x = 6,498,282,181.71
  5. Step 5: Solve for x
    x = 6,498,282,181.71/92,007.20
  6. Step 6: Final answer
    x = 70,627.97

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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.