Home / 130,520.06-180,074.84-73,151

Finding the Fourth Proportional to 130,520.06, 180,074.84 and 73,151

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Solution

The fourth proportional to 130,520.06, 180,074.84 and 73,151 is: 100,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,520.06 : 180,074.84 = 73,151 : x
  2. Step 2: Convert to fraction form
    130,520.06/180,074.84 = 73,151/x
  3. Step 3: Cross multiply
    130,520.06x = 180,074.84 × 73,151
  4. Step 4: Simplify right side
    130,520.06x = 13,172,654,620.84
  5. Step 5: Solve for x
    x = 13,172,654,620.84/130,520.06
  6. Step 6: Final answer
    x = 100,924.37

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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.