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Finding the Fourth Proportional to 150,360.32, 207,497.41 and 81,449.95

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Solution

The fourth proportional to 150,360.32, 207,497.41 and 81,449.95 is: 112,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,360.32 : 207,497.41 = 81,449.95 : x
  2. Step 2: Convert to fraction form
    150,360.32/207,497.41 = 81,449.95/x
  3. Step 3: Cross multiply
    150,360.32x = 207,497.41 × 81,449.95
  4. Step 4: Simplify right side
    150,360.32x = 16,900,652,390.71
  5. Step 5: Solve for x
    x = 16,900,652,390.71/150,360.32
  6. Step 6: Final answer
    x = 112,401.01

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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.