Home / 130,546.50-180,154.35-73,961.70

Finding the Fourth Proportional to 130,546.50, 180,154.35 and 73,961.70

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Solution

The fourth proportional to 130,546.50, 180,154.35 and 73,961.70 is: 102,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,546.50 : 180,154.35 = 73,961.70 : x
  2. Step 2: Convert to fraction form
    130,546.50/180,154.35 = 73,961.70/x
  3. Step 3: Cross multiply
    130,546.50x = 180,154.35 × 73,961.70
  4. Step 4: Simplify right side
    130,546.50x = 13,324,521,988.40
  5. Step 5: Solve for x
    x = 13,324,521,988.40/130,546.50
  6. Step 6: Final answer
    x = 102,067.25

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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.