Home / 130,584.78-180,262.14-88,200.72

Finding the Fourth Proportional to 130,584.78, 180,262.14 and 88,200.72

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Solution

The fourth proportional to 130,584.78, 180,262.14 and 88,200.72 is: 121,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,584.78 : 180,262.14 = 88,200.72 : x
  2. Step 2: Convert to fraction form
    130,584.78/180,262.14 = 88,200.72/x
  3. Step 3: Cross multiply
    130,584.78x = 180,262.14 × 88,200.72
  4. Step 4: Simplify right side
    130,584.78x = 15,899,250,536.74
  5. Step 5: Solve for x
    x = 15,899,250,536.74/130,584.78
  6. Step 6: Final answer
    x = 121,754.24

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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.