Home / 131,093.54-180,909.57-74,504.74

Finding the Fourth Proportional to 131,093.54, 180,909.57 and 74,504.74

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Solution

The fourth proportional to 131,093.54, 180,909.57 and 74,504.74 is: 102,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,093.54 : 180,909.57 = 74,504.74 : x
  2. Step 2: Convert to fraction form
    131,093.54/180,909.57 = 74,504.74/x
  3. Step 3: Cross multiply
    131,093.54x = 180,909.57 × 74,504.74
  4. Step 4: Simplify right side
    131,093.54x = 13,478,620,476.36
  5. Step 5: Solve for x
    x = 13,478,620,476.36/131,093.54
  6. Step 6: Final answer
    x = 102,816.82

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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.