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Finding the Fourth Proportional to 185,233.67, 255,622.72 and 100,350.74

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Solution

The fourth proportional to 185,233.67, 255,622.72 and 100,350.74 is: 138,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,233.67 : 255,622.72 = 100,350.74 : x
  2. Step 2: Convert to fraction form
    185,233.67/255,622.72 = 100,350.74/x
  3. Step 3: Cross multiply
    185,233.67x = 255,622.72 × 100,350.74
  4. Step 4: Simplify right side
    185,233.67x = 25,651,927,583.82
  5. Step 5: Solve for x
    x = 25,651,927,583.82/185,233.67
  6. Step 6: Final answer
    x = 138,484.15

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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.