Home / 130,600.42-180,208.60-73,242.70

Finding the Fourth Proportional to 130,600.42, 180,208.60 and 73,242.70

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Solution

The fourth proportional to 130,600.42, 180,208.60 and 73,242.70 is: 101,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,600.42 : 180,208.60 = 73,242.70 : x
  2. Step 2: Convert to fraction form
    130,600.42/180,208.60 = 73,242.70/x
  3. Step 3: Cross multiply
    130,600.42x = 180,208.60 × 73,242.70
  4. Step 4: Simplify right side
    130,600.42x = 13,198,964,427.22
  5. Step 5: Solve for x
    x = 13,198,964,427.22/130,600.42
  6. Step 6: Final answer
    x = 101,063.72

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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.