Home / 150,118.64-207,159.47-82,134.15

Finding the Fourth Proportional to 150,118.64, 207,159.47 and 82,134.15

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Solution

The fourth proportional to 150,118.64, 207,159.47 and 82,134.15 is: 113,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,118.64 : 207,159.47 = 82,134.15 : x
  2. Step 2: Convert to fraction form
    150,118.64/207,159.47 = 82,134.15/x
  3. Step 3: Cross multiply
    150,118.64x = 207,159.47 × 82,134.15
  4. Step 4: Simplify right side
    150,118.64x = 17,014,867,730.66
  5. Step 5: Solve for x
    x = 17,014,867,730.66/150,118.64
  6. Step 6: Final answer
    x = 113,342.80

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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.