Home / 150,411.63-207,559.04-82,415.07

Finding the Fourth Proportional to 150,411.63, 207,559.04 and 82,415.07

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Solution

The fourth proportional to 150,411.63, 207,559.04 and 82,415.07 is: 113,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,411.63 : 207,559.04 = 82,415.07 : x
  2. Step 2: Convert to fraction form
    150,411.63/207,559.04 = 82,415.07/x
  3. Step 3: Cross multiply
    150,411.63x = 207,559.04 × 82,415.07
  4. Step 4: Simplify right side
    150,411.63x = 17,105,992,398.66
  5. Step 5: Solve for x
    x = 17,105,992,398.66/150,411.63
  6. Step 6: Final answer
    x = 113,727.86

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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.