Home / 87,025.93-130,336.48-84,631.49

Finding the Fourth Proportional to 87,025.93, 130,336.48 and 84,631.49

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Solution

The fourth proportional to 87,025.93, 130,336.48 and 84,631.49 is: 126,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,025.93 : 130,336.48 = 84,631.49 : x
  2. Step 2: Convert to fraction form
    87,025.93/130,336.48 = 84,631.49/x
  3. Step 3: Cross multiply
    87,025.93x = 130,336.48 × 84,631.49
  4. Step 4: Simplify right side
    87,025.93x = 11,030,570,503.76
  5. Step 5: Solve for x
    x = 11,030,570,503.76/87,025.93
  6. Step 6: Final answer
    x = 126,750.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.