Home / 130,635.24-180,283.78-73,292.72

Finding the Fourth Proportional to 130,635.24, 180,283.78 and 73,292.72

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Solution

The fourth proportional to 130,635.24, 180,283.78 and 73,292.72 is: 101,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,635.24 : 180,283.78 = 73,292.72 : x
  2. Step 2: Convert to fraction form
    130,635.24/180,283.78 = 73,292.72/x
  3. Step 3: Cross multiply
    130,635.24x = 180,283.78 × 73,292.72
  4. Step 4: Simplify right side
    130,635.24x = 13,213,488,608.08
  5. Step 5: Solve for x
    x = 13,213,488,608.08/130,635.24
  6. Step 6: Final answer
    x = 101,147.96

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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.