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Finding the Fourth Proportional to 185,216.45, 255,599.01 and 108,720.72

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Solution

The fourth proportional to 185,216.45, 255,599.01 and 108,720.72 is: 150,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,216.45 : 255,599.01 = 108,720.72 : x
  2. Step 2: Convert to fraction form
    185,216.45/255,599.01 = 108,720.72/x
  3. Step 3: Cross multiply
    185,216.45x = 255,599.01 × 108,720.72
  4. Step 4: Simplify right side
    185,216.45x = 27,788,908,398.49
  5. Step 5: Solve for x
    x = 27,788,908,398.49/185,216.45
  6. Step 6: Final answer
    x = 150,034.78

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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.